2025-09-13 14:21:35
Published on September 13, 2025 6:21 AM GMT
Famously, a hundred years ago Keynes predicted that by now people would be working just fifteen hours a week. That hasn’t quite happened, but the Dutch are already down to four-day weeks.
And this isn’t because bad actors are gaming the system or because the government is somehow stopping people from working more. Rather, it’s the result of people increasingly choosing to work part-time.
Interestingly, this is one of the issues where libertarians and progress studies people, who usually get along well, would disagree. Libertarians would say that if you can afford it, by all means, work just one day a week. Progress studies people would point out that GDP growth decreased by, say, 1% over 100 years will leave people in the resulting economy almost three times poorer.
Anyway, the Netherlands lead in part-time jobs, because it has enacted part-time-friendly policies in the past. Was that a mistake? Should governments instead be trying to make the creation of part-time jobs more difficult?
Also keep in mind that not all jobs are created equal. Those working on increasing the productivity (scientists etc.) are, by working more, increasing the exponent of the exponential growth curve. By contrast, assembly-line workers only increase its base. Is that an argument for sector-based policies? Discourage part-time work in science, but make it easier for manual jobs?
2025-09-13 12:09:07
Published on September 13, 2025 4:09 AM GMT
Posting this here in advance of Petrov Day.
This is intended to be an archive of rationalist ritual material. We already have Secular Solstice Resources for such material related to Winter Solstice; this compendium is for Summer Solstice, Petrov Day, and everything else.
If you have anything to add, please do send it in! You can email me or DM me on LessWrong, or send a GitHub pull request if you're comfortable with that.
2025-09-13 11:59:37
Published on September 13, 2025 3:59 AM GMT
LessWrong is currently in the process of migrating from AWS to Vercel, as part of a project to migrate our codebase to NextJS[1]. This post should go live shortly after we cut over traffic to the new host (and updated codebase). This should hopefully be a pretty low-risk operation. If all goes well, we plan on doing the DNS cutover next week, which is a higher-risk[2] operation. (If we notice something terribly wrong we might roll back without warning.)
This is all to say that there's a higher-than-usual chance that you'll run into some new bugs, bumpiness, or performance degradation[3] in the next few days. If you do, please report them to us. The best way to do this via Intercom. You should[4] see this icon in the bottom-right corner of your screen:
You can also leave a comment on this post.
Bug reports ideally include "when did you first encouter the bug" and "what were you doing at the time", but don't worry about writing an essay, if we have questions we'll just ask.
You should feel free to report pre-existing bugs, just please let us know if you're reporting a bug which you're pretty sure was around before today.
"Why" is a longer story that we might get into in the comments if people are curious.
If something goes wrong here, some fraction of users might see downtime on the order of an hour, if they happen to be behind some piece of infrastructure which doesn't honor short DNS TTLs. (We've ensured that the DNS TTL is set to 60 seconds a few days ahead of time.)
I expect a moderate performance hit for e.g. initially loading the front page on a new tab, maybe on the order of 20-30%, at least until we get around to optimizing that harder. If you're on a fast internet connection, this should hopefully not be very noticeable - our median front page load is under 1 second. If you run into something that seems to take longer than it used to, in a way that's perceptible to you, please err on the side of letting us know. It might end up being nothing, or might be too costly to fix in the short-term, but we can't perform triage if we don't know about the problems in the first place.
Unless you've hidden it in your account settings.
2025-09-13 11:14:49
Published on September 13, 2025 2:13 AM GMT
Hey everyone, 1st year radiology resident here! I'm passionate about web development and since medicine has taken most of my free time over the past years, I haven't been able to train my coding muscles that much, and I'm glad vibe coding exists nowadays that lets us make our ideas a reality way faster than it would otherwise take. Anyway, long story short, ever since I was in med school, I always wished there was a tool to log my diagnostic guesses (e.g., “70% this is pneumonia”), track outcomes, and actually measure whether my confidence matched reality. Nowadays there are some tools that let you do that, like fatebook and metaculus, but I believe I've made a good alternative to these that lets you see all your personal stats and accuracy trend graphs, community predictions, reactions -- everything on one page. It's called Guessometer, and lets you create a prediction card with a title and description, confidence level, target date, category. Once the result of the prediction becomes known, you mark it as Correct or Incorrect.
Keep predictions private or make them public.
If you’re curious, try it out and let me know what you think, especially what would make it helpful for aspiring superforecasters.
Sorry for the shameless plug, I honestly hope it's useful to at least some of you and it's completely free. I'm just really excited and wanted your opinion on how I might improve it.
Thanks for your time!
2025-09-13 10:13:30
Published on September 13, 2025 2:13 AM GMT
Abstract. Does continued scaling of large language models (LLMs) yield diminishing returns? Real-world value often stems from the length of task an agent can complete. We start this work by observing the simple but counterintuitive fact that marginal gains in single-step accuracy can compound into exponential improvements in the length of a task a model can successfully complete. Then, we argue that failures of LLMs when simple tasks are made longer arise from mistakes in execution, rather than an inability to reason. We propose isolating execution capability, by explicitly providing the knowledge and plan needed to solve a long-horizon task. We find that larger models can correctly execute significantly more turns even when small models have 100\% single-turn accuracy. We observe that the per-step accuracy of models degrades as the number of steps increases. This is not just due to long-context limitations -- curiously, we observe a self-conditioning effect -- models become more likely to make mistakes when the context contains their errors from prior turns. Self-conditioning does not reduce by just scaling the model size. In contrast, recent thinking models do not self-condition, and can also execute much longer tasks in a single turn. We conclude by benchmarking frontier thinking models on the length of task they can execute in a single turn. Overall, by focusing on the ability to execute, we hope to reconcile debates on how LLMs can solve complex reasoning problems yet fail at simple tasks when made longer, and highlight the massive benefits of scaling model size and sequential test-time compute for long-horizon tasks.
2025-09-13 08:00:32
Published on September 13, 2025 12:00 AM GMT
Many cities have regular Astral Codex Ten meetup groups. Twice a year, I try to advertise their upcoming meetups and make a bigger deal of it than usual so that irregular attendees can attend and new readers can hear about the meetups. This is one of those times.
This year we have meetups planned in over a hundred and eighty cities, from Alberta, Canada to Wellington, New Zealand. Thanks to all the organizers who responded to my request for details, and to Meetups Czar Skyler and the Less Wrong team for making this happen.
You can find the list below, in the following order:
There should shortly be a map of these meetups on the LessWrong community page.
Within each region it’s alphabetized first by country then by city - so the first entry in Europe is Graz, Austria. The exception is the USA, where they’re also alphabetized by state - so the first entry in the USA is Huntsville, Alabama.
I’ll provisionally be attending the Berkeley meetup.
Extra Info For Potential Attendees
1. If you’re reading this, you’re invited. Please don’t feel like you “won’t be welcome” just because you’re new to the blog, demographically different from the average reader, or hate ACX and everything it stands for. You’ll be fine! (Though I do try not to pick people who hate ACX to run the meetups.)
2. You don’t have to RSVP or contact the organizer to be able to attend (unless the event description says otherwise!) RSVPs are mostly to give organizers a better sense of how many people might show up, and let them tell you if there are last-second changes. I’ve also given email addresses or other contact information for organizers in case you have a question.
3. If you have any feedback on the meetup (compliments, complaints, curiosities, etc) the feedback form is here: tinyurl.com/acx-meetup-survey .
Extra Info For Meetup Organizers:
1. If you’re the host, bring a sign that says “ACX MEETUP” and prop it up somewhere (or otherwise be identifiable).
2. Bring blank labels and pens for nametags.
3. If you’re having trouble thinking of something to talk about, the attendees probably also read ACX. Ask people about a recent post or book review that they liked.
4. If it’s the first meetup, people are probably just going to want to talk, and you shouldn’t try to organize some kind of planned workshop or anything like that.
5. Have people type their name and email address in a spreadsheet or in a Google Form (accessed via a bit.ly link or QR code), so you can start a mailing list to make organizing future meetups easier.
6. It’s easier to schedule a followup meetup while you’re having the first, compared to trying to do it later on by email.
7. If you didn’t make a LessWrong event for your meetup (or if you did but Skyler didn’t know about it) the LessWrong team did it for you using the username or email address you gave on the form. To claim your event, log into LW (or create an account) using that email address, or message the LW team on Intercom (chat button in the bottom right corner of lesswrong.com).
If you need to change a meetup date or you have any other questions, please email skyler[at]rationalitymeetups[ period]org.
Contact: Anatoly Vorobey
Contact Info: avorobey[a t]gmail[period]com
Time: Thursday, September 18th, 6:00 PM
Location: Tables just behind the playground located behind the municipal court building, Meishar street
Coordinates: https://plus.codes/8G3PXQ9J+G9
Contact: Inbar
Contact Info: inbar192[a t]gmail[period]com
Time: Sunday, October 12th, 5:00 PM
Location: Sarona market, at grass area next to Benedict. I'll have an ACX sign
Coordinates: https://plus.codes/8G4P3QCP+MM
Group Link: https://www.facebook.com/groups/5389163051129361/
Notes: Kids and dogs are welcome, feel free to bring snacks
Contact: Shai
Contact Info: Tenastralcodex[at]gmail[period]com
Time: Wednesday, October 29, 05:00 PM
Location: We'll be in the goldmund bookstore , at ekron 6 in the talpiot market area, and I will be wearing a batik/Hawaiian shirt and carrying a sign with ACX MEETUP on it
Coordinates: https://plus.codes/8G4QR262+39C
Group Link: https://chat.whatsapp.com/FSclSIRSpd [remove this bit] SJ6T5VJT2QAD
Additional Notes: Please RSVP on whatsapp/our group email so I know how many people will participate
Contact: Adil Oyango
Contact Info: adil[a t]oya[period]ngo
Time: Saturday, September 13th, 1:00 PM
Location: The Gigiri Courtyard, Gigiri Lane
Coordinates: https://plus.codes/6GCRQR84+QR
Contact: Onyinye
Contact Info: ninaigwe[a t]gmail[period]com
Time: Sunday, September 14th, 3:00 AM
Location: Farmcity Cafe Abuja and I will be wearing a yellow shirt
Coordinates: https://plus.codes/6FX93FMH+V4
Contact: Jibrin
Contact Info: microripples[a t]gmail[period]com
Time: Thursday, September 18th, 11:00 AM
Location: ICT Lab 1, University of Jos Main campus, Bauchi Rd, Jos, Plateau State
Coordinates: https://plus.codes/6FXCWVXQ+HG
Group Link: https://facebook.com/microripples
Notes: Limited seating — RSVP to guarantee a spot
Contact: Tegan
Contact Info: teganspeaking[a t]gmail[period]com
Time: Sunday, September 21st, 11:00 AM
Location: The Gardeners Cottage Restaurant, Newlands. I will have an "ACX Meetup" sign
Coordinates: https://plus.codes/4FRW2FH4+VV
Group Link: https://discord.gg/GnY [remove this bit] cNB24
Contact: Erol Can Akbaba
Contact Info: erolcan[period]akbaba[a t]gmail[period]com
Time: Saturday, October 4th, 2:00 PM
Location: Cafe Botanica
Coordinates: https://plus.codes/8GFJWV36+VW
(See Istanbul, in Europe.)
Contact: Anslem Namonye
Contact Info: anslemnamonye[a t]gmail[period]com
Time: Saturday, September 20th, 6:00 PM
Location: National ICT Innovation Hub, Nakawa, Kampala, Uganda. We'll be meeting inside the main reception area of the National ICT Innovation Hub. Once you're at the entrance, look out for a sign labeled "ACX MEETUP - Kampala", and I’ll be wearing a White shirt. If you need help finding the place or have any questions, feel free to call or WhatsApp me at +256 761 951 019
Coordinates: https://plus.codes/6GGJ8JH7+JH
Group Link: https://chat.whatsapp.com/DII [remove this bit] k5Ru1QxxLrBAfvIIYmi
Notes: Feel free to bring a friend or two! Light refreshments will be provided. Please RSVP via WhatsApp so we can plan seating and snacks accordingly: +256 761 951 019 Come with curiosity and an open mind. We welcome both first-timers and long-time ACX readers.
Contact: Marko
Contact Info: thiel[period]marko[a t]cantab[period]net
Time: Saturday, September 6th, 6:00 PM
Location: La Tablita Dubai
Coordinates: https://plus.codes/7HQQ68MF+MM
Contact: Jan
Contact Info: hkacxmeetup[a t]gmail[period]com
Time: Sunday, October 26th, 6:00 PM
Location: The Catalyst art gallery, 218 Hollywood Road
Coordinates: https://plus.codes/7PJP74PX+63
Contact: Laura
Contact Info: laura[period]leighton94[a t]gmail[period]com
Time: Wednesday, October 1st, 6:00 PM
Location: Fourth Monkey Bar and Grill, 58 Mollison St, South Brisbane/West End. We will be in the back courtyard or on the back deck where it tends to be quieter. We will have ACX meetup signs up.
Coordinates: https://plus.codes/5R4MG2F6+6W
Notes: This event is co-hosted with Effective Altruism Brisbane.
Contact: Declan
Contact Info: declan_t[at]hotmail[dot]com
Time: Monday, October 6, 6:00 PM
Location: Grease Monkey Braddon, probably one of the outside tables, will have ACX MEETUP sign.
Coordinates: https://plus.codes/4RPFP4GM+R3
Additional Notes: RSVPs appreciated to book approximately the right sized table. Happy hour is 5-6 so get there a bit early if you want to preload on cheap drinks/snacks (cheap pizza all night).
Contact: Chris
Contact Info: cvjones7[a t]gmail[period]com
Time: Saturday, October 4th, 2:00 PM
Location: Parliament House Gardens
Coordinates: https://plus.codes/4R99487J+PCQ
Notes: We'll have a crack at combining this with the local EA group (which grew out of the "Spring" ACX meetup). Bad weather and we'll move into Irish Murphy's.
Contact: Eliot
Contact Info: Redeliot[a t]gmail[period]com
Time: Thursday, September 18th, 6:00 PM
Location: Skyview Hall, 14a Frances St, Randwick NSW 2031. To find the hall, walk through to the end of the car park, pass through the green gate and walk straight down the path to the back building, then walk upstairs. Call Eliot 0438481143 if lost.
Coordinates: https://plus.codes/4RRH36QQ+QRW
Group Link: https://www.meetup.com/rationalists_of_sydney
Notes: This event is at a private house.
Contact: David
Contact Info: dj[a t]theory-a[period]com
Time: Saturday, September 27th, 10:00 AM
Location: Zhongshan Park 中山公园
Coordinates: https://plus.codes/8Q336CCC+29
Group Link: https://discord.com/invite/C [remove this bit] meRexz7JM
Notes: Park meetup so feel free to bring pets, RSVPs are appreciated
Contact: Nihal
Contact Info: propwash[a t]duck[period]com
Time: Sunday, October 5th, 4:00 PM
Location: Matteo Coffea, Church Street
Coordinates: https://plus.codes/7J4VXJF4+PR
Group Link: https://www.lesswrong.com/groups/i5vLw9xnG9iwXNQZZ
Notes: Check the lesswrong group page for the announcement, and RSVP there.
Contact: Vatsal
Contact Info: vmehra[a t]pm[period]me
Time: Sunday, October 5th, 2:00 PM
Location: Vibrant Living, Road no 82, Film Nagar, Jubilee Hills, Hyderabad
Coordinates: https://plus.codes/7J9WCC74+M3
Notes: Please RSVP on lesswrong
Contact: Ankur Pandey
Contact Info: ankurpandey[period]info[a t]gmail[period]com
Time: Saturday, September 27th, 4:00 PM
Location: ARC Cafe and Rooftop Lounge, Powai, Mumbai
Coordinates: https://plus.codes/7JFJ4WC5+WF
Group Link: https://lu.ma/9p8azz9t, https://groups.google.com/g/acx-mumbai/about
Notes: Please join the group, share suggestion for an effective meetup (like questions for Socratic dialogues)
Contact: Suryansh Tyagi
Contact Info: suryanshtyagiphone[at]gmail[dot]com
Time: Sunday, October 5, 4:30 PM
Location: Spaced Out Cafe, Shahpur Jat
Coordinates: https://plus.codes/7JWVG6X6+QP
Group Link: https://chat.whatsapp.com/Jph8xQO [remove this bit] prnK1mA7DBKkWOS?mode=ems_copy_t
Additional Notes: Please join the WhatsApp group or message me if you're not in it
Contact: Fawwaz
Contact Info: fawwazanvi[a t]gmail[period]com
Time: Saturday, October 11th, 1:00 PM
Location: NITRO COFFEE @ Nugra Santana Jl. Jenderal Sudirman Kav. 7-8, Karet Tengsin, Kecamatan Tanah Abang, Jakarta, Daerah Khusus Jakarta 10250Coordinates: https://plus.codes/6P58QRRC+HF
Group Link: https://chat.whatsapp.com/LsV [remove this bit] YGNILxze6nNexpSXDZC
Notes: Please RSVP through email, or by joining our WhatsApp group (WhatsApp preferred)
Contact: River
Contact Info: acx[period]k55uc[a t]passinbox[period]com
Time: Friday, September 19th, 11:00 AM
Location: Upstairs, Kafe, Jl Hanoman, Ubud.
Coordinates: https://plus.codes/6P3QF7P7+CM
Group Link: https://chat.whatsapp.com/Hyd [remove this bit] wIF3u7Ve0nfpbc9EtnS
Notes: Please RSVP on WhatsApp :).
Contact: JT
Contact Info: rationalitysalon[a t]substack[period]com
Time: Saturday, September 13th, 10:00 AM
Location: 153-0051 Tokyo, Meguro City, Kamimeguro, 1 Chome−3−9 Fujiya Bldg., ３F (We may reschedule at the last second - join our mailing list for updates
Coordinates: https://plus.codes/8Q7XJPV2+QF
Group Link: https://rationalitysalon.substack.com/
Notes: Please join the mailing list - location may change at the last minute
Contact: Yi-Yang
Contact Info: yi[period]yang[period]chua[a t]gmail[period]com
Time: Sunday, September 7th, 2:00 PM
Location: We'll be in the biggest room in Kings Hall Cafe @ Sec 13 (https://maps.app.goo.gl/naDhCJzNUAi1mFu38). Please ask the staff for directions.
Coordinates: https://plus.codes/6PM34J7Q+RX
Group Link: https://www.lesswrong.com/events/PeTRNigqY2vSzdzcB/acx-fall-meetup-2025-klang-valley-malaysia
Notes: Please RSVP by messaging on LessWrong or emailing me so I know who'll be joining us!
AUCKLAND
Contact: CZ
Contact Info: czlee11[a t]gmail[period]com
Time: Saturday, October 18th, 1:00 PM
Location: Cornwall Park, at the Band Rotunda. There'll be a sign saying "ACX MEETUP" somewhere, but probably not a very large one, so please look around for a bit to find us, including near the Band Rotunda if the area's very busy.
Coordinates: https://plus.codes/4VMP4Q3Q+VR
Notes: We have a small existing meetup group, if you're reading this you should definitely come check it out. RSVP optional but you should RSVP so you feel obligated to follow through :P If the weather's very bad (not just slight rain), the organiser will reach out to those who RSVPed with the new plan. Feel free to bring kids and/or snacks.
Contact: Gavin
Contact Info: bisga673[a t]student[period]otago[period]ac[period]nz
Time: Friday, September 26th, 5:30 PM
Location: WEA Canterbury Workers' Educational Association - don't have details about the exact entrance right now but it will be obvious and if you are unsure, email me sometime beforehand
Coordinates: https://plus.codes/4V8JFJCJ+5M
Group Link: EA group link (same organiser): https://www.facebook.com/groups/EAChristchurch
Notes: We'll have a pot luck, and later in the evening a Petrov Day celebration. I'm a big reader of ACX and would love to connect with similar people (and connect you with some Chch EA people if you're interested). Note we've got the biggest ever NZ EA event (EA Summit) happening the next day and you're welcome to come to that too! https://www.facebook.com/share/1Aw5PaF7ms/ More info at that link. Please RSVP on facebook if you can't bring food. (Please RSVP anyway but don't let it stop you from coming)
Contact: Benji Cresswell
Contact Info: notevil101[a t]gmail[period]com
Time: Saturday, September 27th, 3:00 PM
Location: 29 Brandon St, Wellington Central, Wellington 6011, New Zealand. In the Tūī room
Coordinates: https://plus.codes/4VCPPQ8G+GF
Notes: Please RSVP on Lesswrong, as the meeting room is quite small.
Contact: Jonathan Ng
Contact Info: jonathan[period]ng1[a t]gmail[period]com
Time: Saturday, September 13th, 7:00 PM
Location:
Coordinates: https://plus.codes/6PH58W8W+HJ
Group Link: https://t.me/LessWrong_ [remove this bit] Singapore, https://rentry.co/AC6PH57RJV5W, https://t.me/+I3z [remove this part] ep9OOJU83NjFl
Notes: partiful.com/e/6ghe2pwx2e2j4q9y2nyj
Contact: Cyrus
Contact Info: ccheung13[a t]protonmail[period]com
Time: Friday, September 26th, 6:30 PM
Location: Seoul Brewery in Seongsu, 28-12, Yeonmujang-gil, Seongdong-gu, Seoul, Republic of Korea
Coordinates: https://plus.codes/8Q99G3V2+6X
Notes: Please RSVP so I know how many people are joining! The organizer is an English speaker, but Korean-speakers are welcome.
Contact: Pepe
Contact Info: altansarai[period]havard[a t]gmail[period]com
Time: Sunday, September 21st, 2:00 PM
Location: DeRoot休閒空間
Coordinates: https://plus.codes/7QQ32GRM+72
Contact: HWE
Contact Info: harrisone8[a t]gmail[period]com
Time: Monday, September 15th, 6:00 PM
Location: Lumphini Park, Main Entrance by MRT
Coordinates: https://plus.codes/7P52PGHQ+X3
Notes: please rsvp to my email
Contact: Quang Hiệp
Contact Info: hiepbq14408[a t]gmail[period]com
Time: Sunday, September 14th, 10:00 AM
Location: Hẻm 212/2B Nguyễn Trãi, Phường Nguyễn Cư Trinh, Quận 1
Coordinates: https://plus.codes/7P28QM8P+4J
Notes: Please RSVP to my public email so that we can set expectations on how people will be showing up.
Contact: Robin
Contact Info: robinh[period]backup16[a t]gmail[period]com
Time: Friday, September 19th, 6:00 PM
Location: Augarten Graz next to the Calisthenics Park on the grass, I will be sitting on the grass with a Volleyball, a book, and a black cap
Coordinates: https://plus.codes/8FVQ3C6P+3C
Notes: Feel free to bring kids/dogs/friends, would be nice to pass the Volleyball a bit (but Volleyball skills are not mandatory) Maybe later we can move to a bar/cafe/ Alternatively for bad weather: Cafe Bali (its near Augarten)
Contact: Max
Contact Info: hello[a t]maximiliankiener[period]com
Time: Sunday, September 28th, 2:00 PM
Location: Burggarten, 1010 Wien, Lothringen Statue
Coordinates: https://plus.codes/8FWR6938+Q3
Notes: Please email me at [email protected] so I can prepare and let you know about an alternative location in case of rain.
Contact: Achim
Contact Info: asm[a t]mail[period]gmx
Time: Tuesday, September 16th, 7:00 PM
Location: "Beer Capital" pub. I will make an ACX MEETUP sign and put it on the table.
Coordinates: https://plus.codes/9F26R8XX+3FC
Notes: As I have no idea how many people might show up, I'd appreciate your sending me a mail.
Meetup Czar note: The organizer asked to change the date.
Contact: Jiri N
Contact Info: nadvornik[dot]jiri[at]gmail[dot]com
Time: Friday, October 31, 6:30 PM
Location: Dharmasala Teahouse
Coordinates: https://plus.codes/9F2P3CRW+FP
Group Link: https://www.facebook.com/events/1479695076556456/
Contact: Søren Elverlin
Contact Info: soeren[period]elverlin[a t]gmail[period]com
Time: Saturday, October 25th, 3:00 PM
Location: H. J. Holsts Vej 3-5C, 2605 Brøndby
Coordinates: https://plus.codes/9F7JMCCQ+4XR
Group Link: https://www.lesswrong.com/events/JTEpLhhjAbK4jiuuJ/copenhagen-acx-risk-from-ai-community-conference
Notes: RSVP on LessWrong. This meetup in particular is AI X-Risk themed, but feel free to show up and discuss other subjects.
Contact: Andrew
Contact Info: andrew_n_west[a t]yahoo[period]co[period]uk
Time: Saturday, September 27th, 7:00 PM
Location: Tuletorni Taproom
Coordinates: https://plus.codes/9GF6FM4G+26
Contact: Joe Nash
Contact Info: sschelsinkimeetup[a t]gmail[period]com
Time: Thursday, September 25th, 6:00 PM
Location: Oluthuone Kaisla, Vilhonkatu 4, Helsinki. I will have a notebook that says ACX on the table.
Coordinates: https://plus.codes/9GG65WCW+PW
Group Link: https://www.meetup.com/helsinki-slate-star-codex-readers-meetup/
Contact: Michael
Contact Info: meetup-2025-09-13[a t]weboroso[period]anonaddy[period]com
Time: Saturday, September 13th, 2:00 PM
Location: Initial meeting in the park Square of Professor Jacques Lasserre, behind 164/166 cours de l'Argonne (Maison Internationale), tram B Bergonié, entries from rue Grateloup and rue Colette, far side from the cours de l'Argonne: https://www.openstreetmap.org/#map=19/44.824715/-0.576945 — I will have an A4 ACX Meetup sign.
Coordinates: https://plus.codes/8CPXRCFF+V6
Notes: So that I know if anyone is coming, please mark Yes or Maybe at LW, or write me an email. I will try to make sure we are within the park / within the line of sight of the specified location for at least 15 minutes after the posted time. Email me your phone number if you want me to text you updates if/when we move from there (e.g. if you are not sure about being able to make it on time but are interested to join a bit later).
Contact: Lucas
Contact Info: lucas_acx_meetup_lyon[a t]fastmail[period]com
Time: Saturday, September 6th, 4:00 PM
Location: Parc de la tête d'or, à côté de la prairie aux daims. Nous aurons deux serviettes grises/brunes au sol et "ACX" écrit sur un carnet ou une feuille. Parc de la tête d'or, next to the "prairie aux daims". We will have two brown/grey towels on the ground and "ACX" written on a notebook or a piece of paper
Coordinates: https://plus.codes/8FQ6QVF2+GW
Group Link: Il y a un télégram ACX Lyon, si vous voulez être ajoutés envoyez moi un mail. There is a telegram group for ACX Lyon, if you want to be added shoot me an email.
Contact: Arthur
Contact Info: acx-meetup[a t]ashtrail[period]anonaddy[period]me
Time: Friday, September 26th, 8:00 PM
Location: Meetup point at the benches next to the sign right after the entrance of the Jardin des Plantes (the one facing the train station). I'll be wearing a red polo and beige pants and carrying an ACX MEETUP sign.
Coordinates: https://plus.codes/8CVW6F95+965
Notes: RSVP by email is required, please. Since there doesn't seem to have been any meetups in Nantes up to now (at least in recent times), I want to know whether anyone will show up in the first place. We'll meet up at the park first, since it's easier to find people there and less prone to exceptional closures, then move on to a nearby bar once everyone has arrived.
Contact: Lucie Philippon
Contact Info: aelerinya[a t]gmail[period]com
Time: Saturday, September 20th, 4:00 PM
Location: Parc de Montsouris, Paris
Coordinates: https://plus.codes/8FW4R8FP+FH
Group Link: https://discord.gg/JUH [remove this bit] TZRYp3k
Notes: You can RSVP on Partiful to add the meetup to your calendar, and get notified of the future meetups: https://partiful.com/e/ZumH1DtmgOxLqSFy34jL
Contact: Alfonso
Contact Info: barsom[period]maelwys[a t]gmail[period]com
Time: Wednesday, October 15th, 8:00 PM
Location: We'll meet in front of "La Pastasciutta", at 35Bis Rue Gabriel Péri, 31000 Toulouse
Coordinates: https://plus.codes/8FM3JF43+GX
Group Link: https://www.meetup.com/the-friendly-debate/events/310609861
Notes: Please, RSVP either in meetup (https://www.meetup.com/the-friendly-debate/events/310609861) or by email
Contact: Milli
Contact Info: acx-meetups[a t]martinmilbradt[period]de
Time: Saturday, October 11th, 2:00 PM
Location: Big lawn at the center of Humboldthain
Coordinates: https://plus.codes/9F4MG9WP+36
Group Link: https://t.me/+2-6QId-rIOczNWIy
Contact: Timothy
Contact Info: timtjc08[a t]gmail[period]com
Time: Thursday, October 16th, 6:30 PM
Location: At Endenicher Allee 60, 53115 Bonn, we will be in the small building behind (northwest of) the main Math building. There will be a sign outside the building with directions to our room.
Coordinates: https://plus.codes/9F29P3HM+C7F
Group Link: https://chat.whatsapp.com/C5Z [remove this bit] p72kXjuIJIjuCvti5fm if this link doesn't work just send me an Email and I'll add you to the group
Contact: Marta
Contact Info: marta[period]krzeminska[a t]gmail[period]com
Time: Saturday, November 8th, 3:00 PM
Location: Kaffe Krach, Friesenstraße 16, 28203 Bremen. Look for a sign: ACX Meetup. It being November, we'll most likely be inside.
Coordinates: https://plus.codes/9F5C3RFH+3M
Group Link: https://chat.whatsapp.com/DiI [remove this bit] dx2E7cAf3AgotxAAP89
Notes: The theme of the meet-up is: YOUR FAVOURITE. Bring your favourite topic, piece of trivia, trick, joke, gadget, poem, question, etc. and share with the group why it's awesome. If your pick is a piece of writing (book or article) be ready to briefly summarise it. After intros and sharing your favourite, we'll split into groups based on topics.
Contact: Marcel
Contact Info: marcel_mueller[a t]mail[period]de
Time: Saturday, September 13th, 5:00 PM
Location: Marienweg 43, 50858 Köln
Coordinates: https://plus.codes/9F28WRMX+97
Group Link: https://www.lesswrong.com/groups/2QwpKyXvwiZ53G4HP
Notes: If you read this you are welcome.
Contact: Dimi
Contact Info: dimi[period]zharkov[a t]gmail[period]com
Time: Sunday, September 7th, 5:00 PM
Location: Anna's Bar
Coordinates: https://plus.codes/8FXHJ223+7J
Group Link: https://chat.whatsapp.com/IQ6 [remove this bit] whwdbgt35FMKF44s4Y0
Meetup Czar note: The organizer asked for the date to be changed from the 6th of September to the 7th.
Contact: Alex
Contact Info: acx[period]concert024[a t]passfwd[period]com
Time: Sunday, September 21st, 5:00 PM
Location: It is a restaurant called Big Chefs on the top floor of the Zeil shopping centre in Frankfurt. There will be a card on the table with "ACX Meetup" written on it
Coordinates: https://plus.codes/9F2C4M7J+VH
Group Link: https://chat.whatsapp.com/Hqd [remove this bit] lP58zqwj51GSe6FkJ1M
Contact: Omar
Contact Info: omar[a t]ratfr[period]de
Time: Friday, September 12th, 6:00 PM
Location: Veranstaltungsraum, Haus des Engagements, Rehlingstraße 9, 79100 Freiburg
Coordinates: https://plus.codes/8FV9XRQQ+QQ9
Group Link: https://www.rationality-freiburg.de
Notes: If possible, check the event on the website for some reading as preparation: https://www.rationality-freiburg.de/ If not, come anyway :-)
Contact: Fernando
Contact Info: fernando[period]unterricht[a t]gmail[period]com
Time: Sunday, October 19th, 2:00 PM
Location: El Punto, Bahnhofsallee 1B, 37081 Göttingen. I'll have an ACX sign.
Coordinates: https://plus.codes/9F3FGWPF+H8
Group Link: https://chat.whatsapp.com/GKJ [remove this bit] dKrgAPacIg3vQCF6EOM
HAMBURG
Contact: Andreas Jessen
Contact Info: andreasjessen[at]gmx[dot]net
Time: Saturday, October 18, 3:00 PM
Location: Planten un Blomen, north exit of U1 Stephansplatz, we will have a sign reading "ACX Meetup"
Coordinates: https://plus.codes/9F5FHX5Q+VF
Group Link: https://www.meetup.com/rationality-hamburg/
Additional Notes: Feel free to bring friends and family.
Contact: Ben
Contact Info: acxleipzig[a t]proton[period]me
Time: Wednesday, October 22nd, 6:00 PM
Location: We will be meeting in the famous Fechner house (https://de.wikipedia.org/wiki/Datei:WohnhausFechner.JPG), now home of Daniel, who's hosted ACX meetups there several times. The address is Scherlstraße 2. Ring the door at "Böttger Liebich".
Coordinates: https://plus.codes/9F3J89QR+PX
Group Link: Email me to get an invite link to the ACX Leipzig Telegram group, if you want :)
Notes: Feel free to send an email with any questions you have!
Contact: Ruben
Contact Info: acxmannheim[a t]mailbox[period]org
Time: Saturday, September 20th, 5:00 PM
Location: Murphy's Law (Irish Pub) near the Main Station. I'll have a sign that says "ACX"
Coordinates: https://plus.codes/8FXCFFJC+6G
Contact: Jael
Contact Info: jaelfleckenstein [at] gmail [dot] com
Time: Saturday, October 4, 3:00 PM
Location: Baron, Johann-Joachim-Becher-Weg 3, 55128 Mainz
Coordinates: https://plus.codes/8FXCX6VW+Q92
Additional Notes: It would be nice to RSVP to my mail so I can make reservations.
Contact: Moritz S.
Contact Info: acx[period]organizer[period]munich[a t]gmail[period]com
Time: Friday, September 12th, 5:00 PM
Location: Müllerstraße 35, TeamWork conference space
Coordinates: https://plus.codes/8FWH4HJ9+7P
Group Link: https://acxmeetup.substack.com/
Notes: Local blogosphere enthusiasts are welcome to subscribe to our regular newsletter; you will also find a WhatsApp-group over there. My ACX meetups happen ~3 weeks.
Contact: Steve
Contact Info: Steve[period]Bachelor[a t]gmail[period]com
Time: Sunday, October 12th, 4:00 PM
Location: Meeting in Milaneo mall courtyard, outside Starbucks, for ease of finding. Moving to my flat, above, for the main meetup. I will wear my white “shrimp love me, un-aligned AIs fear me” hat, and an orange T-shirt with the EICAR string as a QR code.
Coordinates: https://plus.codes/8FWFQ5RM+H8
Group Link: https://discord.gg/USE [remove this bit] SQgzg (Say in the Introductions channel you’re here for Stuttgart)
Meetup Czar note: The organizer mistakenly put October 13th instead of October 12th, and asked to update this.
WUERZBURG
Contact: Philipp
Contact Info: wuerzburg[period]meetup[a t]gmail[period]com
Time: Saturday, September 13th, 3:00 PM
Location: The meetup will be in the Sanderringpark next to the Sanderglacisstraße station, close to the fountains (east of the station). I will have a sign. If the weather is bad, we will find another place. In this case, please send a mail/join the whatsapp group (see link below).
Coordinates: https://plus.codes/8FXFQWPM+G3P
Group Link: https://chat.whatsapp.com/DY3 [remove this bit] uJ380BqEAZ1oZrwCIAh?mode=ac_t
Notes: As this is the first Wuerzburg Meetup, please RSVP via WhatsApp/Mail
Contact: Andrew G
Contact Info: acx[period]meetup[period]athens[period]greece[a t]gmail[period]com
Time: Monday, September 1st, 8:30 PM
Location: We’ll be at Καπάκι Café-Bar in the southeast corner of Agia Eirini Square. The nearest Metro station is Monastiraki, but it’s also only 10 minutes’ walk from Syntagma. I’ll have an ACX MEETUP sign.
Coordinates: https://plus.codes/8G95XPGH+R9
Notes: RSVPs appreciated but not essential
Contact: Richard
Contact Info: horvirich[at]gmail[dot]com
Time: Saturday, September 27, 1:00 PM
Location: South-East corner of Muzeumkert (near the playground).
Coordinates: https://plus.codes/8FVXF3R7+6G7
Group Link: https://groups.google.com/g/rationality-budapest
Additional Notes: In case of rain, we will gather in California Coffee Company nearby.
Contact: David
Contact Info: inlets_spinal_0a[a t]icloud[period]com
Time: Friday, September 12th, 6:00 PM
Location: Motel One, 111-114 Middle Abbey St, North City, Dublin, D01 H220
Coordinates: https://plus.codes/9C5M8PXP+6H
Group Link: hxxps://chat[dot]whatsapp[dot]com/Ecgu6De4a[ignore this]XkDhAk9FELKGr (Note: The link has been obfuscated due to spam.)
Notes: No RSVP required. Email me if you have trouble accessing the group.
Contact: Luca
Contact Info: luc[period]petrolati[a t]gmail[period]com
Time: Sunday, October 5th, 4:00 PM
Location: Piazza Santo Stefano, in front of the Basilica
Coordinates: https://plus.codes/8FPHF8RX+V9
Contact: Carlo Martinucci
Contact Info: carlo[period]martinucci[a t]gmail[period]com
Time: Saturday, September 27th, 3:00 PM
Location: Prato della valle, fountain in the middle, south side
Coordinates: https://plus.codes/8FQH9VXG+8J
Contact: Anastasia
Contact Info: riga[period]acx[a t]gmail[period]com
Time: Friday, September 19th, 6:30 PM
Location: MiiT
Coordinates: https://plus.codes/9G86X44C+M5
Group Link: https://www.lesswrong.com/groups/fE7wFrbHoAKAvw5bw
Notes: If possible, please RSVP on LessWrong for reservation purposes, and please do come even if you're shy/scared - we are very welcoming.
Contact: Linas
Contact Info: linas[dot]ko[at]pm[dot]me
Time: Sunday, September 21st, 4:00 PM
Location: I'll be wearing a purple "Roboflow" hat.
Coordinates: https://plus.codes/9G67M7QC+R7
Group Link: https://discord.gg/jqxuBM [remove this bit] eHaw
Additional Notes: The latest event details can be found in: https://discord.gg/y9KNuzRb?event=1412003421908766800
Meetup Czar note: The organizer asked for the date to be updated.
Contact: Roland
Contact Info: Ich[period]will[period]mit[period]dir[period]verreisen[a t]gmail[period]com
Time: Sunday, September 21st, 3:00 PM
Location: Casino library
Coordinates: https://plus.codes/8FX8J45G+WV
Group Link: https://www.meetup.com/better-habits-together
Notes: RSVP on Meetup as soon as I he Meetup is announced
Contact: Tom
Contact Info: hello[a t]tomrijntjes[period]nl
Time: Sunday, September 28th, 2:00 PM
Location: In Westerpark, across the street from IJscuypje
Coordinates: https://plus.codes/9F469VPC+JV
Group Link: https://chat.whatsapp.com/C1X [remove this bit] 049OJR7AI0LKYViUkR1
Notes: Feel free to bring dogs or park games, eg. frisbee, spikeball, kubb
Contact: Stian
Contact Info: stian[period]sgronlund[a t]outlook[period]com
Time: Sunday, September 21st, 2:00 PM
Location: The Sportsbar "The Yard" on the upper floor of the Radboud Sports Centre
Coordinates: https://plus.codes/9F37RV98+9X
Group Link: https://chat.whatsapp.com/GFD [remove this bit] bgvQpgvRKL1DMpASryl
Contact: Rebecca
Contact Info: rebecca[period]higgs01[a t]gmail[period]com
Time: Tuesday, October 7th, 7:00 PM
Location: Christiansholm festning
Coordinates: https://plus.codes/9FCC42V3+MC
WARSAW
Contact: ntoxeg
Contact Info: ntoxeg[a t]proton[period]me
Time: Sunday, October 19th, 6:00 PM
Location: Południk Zero: Wilcza 25, 00-544 Warsaw; large room downstairs.
Coordinates: https://plus.codes/9G4362G8+2V
Group Link: https://discord.gg/Fux [remove this bit] vnujDzd
Contact: Luis Campos
Contact Info: luis[period]filipe[period]lcampos[a t]gmail[period]com
Time: Saturday, September 20th, 3:00 PM
Location: We meet on top of a small hill East of the Linha d'Água café in Jardim Amália Rodrigues. I'll be wearing a pinkish t-shirt and we'll have a ACX MEETUP sign close to us
Coordinates: https://plus.codes/8CCGPRJW+V8
Group Link: https://www.lesswrong.com/groups/iJzwL2ukGBAGNcwJq
Notes: For comfort, bring sunglasses and a blanket to sit on. There is some natural shade. Also, it can get quite windy, so bring a jacket. (Location might change due to weather)
Contact: Alexei Andreev
Contact Info: alexei[period]andreev[plus]acx[a t]gmail[period]com
Time: Saturday, October 11th, 11:00 AM
Location: Largo Alexandre Sá Pinto 44, B2 4050-027 Porto, Portugal
Coordinates: https://plus.codes/8CHH593G+CF4
Group Link: https://www.reddit.com/r/slatestarcodex/comments/1ml92xy/meetup_in_porto_portugal_on_october_11th/
Notes: Please RSVP if you're planning to come so we can plan lunch. You have to go inside the inner courtyard. From there go to the opposite corner of the garden and up the black stairs.
Contact: Mihai
Contact Info: mihai[period]truta1996[a t]gmail[period]com
Time: Saturday, September 6th, 2:00 PM
Location: In front of the National History Museum of Romania, I will be wearing a red shirt and a LA Lakers cap, will hold a sign saying "ACX Meetup".
Coordinates: https://plus.codes/8GP8C3JW+MR
Notes: To contact me twitter DMs are open (mihai_truta3)
Contact: Alvin
Contact Info: alv[period]csk[a t]gmail[period]com
Time: Saturday, September 27th, 7:00 PM
Location: Scârț Loc Lejer, most likely outside. I'll probably put an ACX MEETUP sign on the table!
Coordinates: https://plus.codes/8GQ3P6VF+7QR
Notes: Messaging me on Lesswrong, if possible and comfortable, would be much appreciated!
Contact: Caled
Contact Info: gwinyster[a t]gmail[period]com
Time: Sunday, September 14th, 4:00 PM
Location: г. Москва, Ломоносовский пр-т, 25к3 ЦДО Моноид
Coordinates: https://plus.codes/9G7VMGVH+M9
Group Link: https://t.me/+6oIqcFWhsilkOTJi
Contact: Tanja
Contact Info: tanja[dot]trninic[at]efektivnialtruizam[dot]com
Time: Sunday, September 28, 6:00 PM
Location: vegANGELov vegan restaurant
Coordinates: https://plus.codes/8GP2RFC6+2V
Group Link: https://t.me/+wu3itsO2ZjoxNmY0
Additional Notes: Please RSVP by sending an email so I know how many tables to book.
BARCELONA
Contact: Adriana
Contact Info: adriana[period]lica[a t]gmail[period]com
Time: Thursday, September 4th, 7:00 PM
Location: Rooftop terrace of Archie Living building.
Coordinates: https://plus.codes/8FH495RJ+R9
Group Link: https://www.lesswrong.com/groups/a8JdcnpTRYirgncZT
Notes: RSVP required at https://www.eventbrite.co.uk/e/acx-fall-meetup-tickets-1630472118999 We'll have snacks and refreshments. Dogs & kids are welcome. Bring swimwear, if you'd like a pool dip.
Contact: Jose
Contact Info: jsillerosalado[a t]gmail[period]com
Time: Saturday, September 13th, 5:00 PM
Location: Parque el Arenal
Coordinates: https://plus.codes/8CMV736G+7J
Notes: Any and all welcome, come chat and have fun! If the date doesn't work, email me anyway and I'll try and meet you sometime more convenient.
Contact: Sergio
Contact Info: sergiodzg[a t]gmail[period]com
Time: Sunday, September 21st, 11:00 AM
Location: We will organize it in the puppet theater in El Retiro park (as on previous occasions in Madrid)
Coordinates: https://plus.codes/8CGRC897+G8
Group Link: We will announce it on the EA-Madrid slack channel and in the meetup group (https://www.meetup.com/effective-altruism-madrid/)
Contact: Hugo V
Contact Info: Hviciana[a t]us[period]es
Time: Friday, October 17th, 7:00 PM
Location: We will grab a drink and perhaps some food at TobyEatsTheWorld next to Torre del Oro. By default, I’ll be at a table wearing a Hawaiian-style shirt, with a sign that says ACX MEETUP. But if you think you might attend, please send me an email so we can coordinate more easily!
Coordinates: https://plus.codes/8C9P92J3+VRX
Notes: Please send an email so that we can coordinate more easily. Feel free to bring kids/dogs.
Contact: Fernando
Contact Info: fernando[period]unterricht[a t]gmail[period]com
Time: Wednesday, September 17th, 8:00 PM
Location: Café El Boticario, Av. Fco. de Goya, 50, 50006 Zaragoza. I'll have an ACX sign on the table
Coordinates: https://plus.codes/8CHXJ4V5+MG
Group Link: https://chat.whatsapp.com/BF0 [remove this bit] DxyoAyjK2fHUnY75UcL
Notes: Feel free to join the Whatsapp group even if you can't attend this meetup. There you will also find information about meetups in other cities.
Contact: Stefan
Contact Info: acx_gbg[a t]posteo[period]se
Time: Saturday, September 27th, 2:00 PM
Location: Condeco Fredsgatan, look for a book on the table
Coordinates: https://plus.codes/9F9HPX4C+39
Group Link: https://www.meetup.com/lw-acx-meetup-gothenburg | https://www.lesswrong.com/groups/WTFM9rYWeN986yyxC
Contact: Gary
Contact Info: acxstockholm[a t]gmail[period]com
Time: Saturday, September 13th, 12:27 PM
Location: We'll meet at Blå Porten, the blue gate at Djurgårdsbron. That's the literal blue gate on the Djurgården side of the bridge, not the cafe with the same name. I'll have a sign that says ACX MEETUP.
Coordinates: https://plus.codes/9FFW83JV+6Q
Contact: Vitor
Contact Info: acxzurich[a t]proton[period]me
Time: Saturday, September 6th, 3:00 PM
Location: Blatterwiese in front of the chinese garden (In case of rain we are inside the garden)
Coordinates: https://plus.codes/8FVC9H32+VH
Notes: We have an email list and a signal group to announce ~monthly meetups. Write an email to be added.
(See Ankara. It’s in Asia & the Middle East.)
Contact: Ozge
Contact Info: ozgeco[a t]yahoo[period]com
Time: Saturday, October 4th, 3:00 PM
Location: Kadıkoy Yeni Iskele Kahve Dunyası ( the ferry pier building that we take ferries from Kadıkoy to Eminonu or Karakoy. Second floor, upstairs bookstore and cafe)
Coordinates: https://plus.codes/8GGFX2VF+45
Notes: ACX readers, old friends, new friends welcome for an easy afternoon coffee. Please contact me at [email protected] for any help request. Looking forward to seeing you soon.
Contact: Anton
Contact Info: antonx451[a t]gmail[period]com | antonx451 on Telegram
Time: Saturday, September 20th, 05:00 PM
Location: Franyk Podil
Coordinates: https://plus.codes/9G2GFG78+W6
Contact: John Dawson
Contact Info: john[period]a[period]dawson[a t]proton[period]me
Time: Saturday, September 13th, 2:00 PM
Location: Town Square, on 45 Botanic Avenue, at a table
Coordinates: https://plus.codes/9C6PH3Q8+7HG
Contact: Hamish Todd
Contact Info: hamish[period]todd1[a t]gmail[period]com
Time: Saturday, September 20th, 2:00 PM
Location: Fort St George
Coordinates: https://plus.codes/9F42646H+X4
Notes: Meetings are the third saturday of every month at 2pm
Contact: Sean Brocklebank
Contact Info: astral[period]club[period]edinburgh[a t]gmail[period]com
Time: Saturday, September 6th, 3:00 PM
Location: 31 Buccleuch Place (Edinburgh University's School of Economics)
Coordinates: https://plus.codes/9C7RWRV7+6J
Group Link: https://chat.whatsapp.com/Bl5 [remove this bit] zIidSM2BA9VlBHbWxV3
Notes: The building is keycard access on weekends but Sean will come out to collect people and bring everyone in at 3pm (if you're late, try to message the WhatsApp group above and someone can come down and let you in). This is a monthly rationalist reading group. Please write to Sean at the address to be added to the list for readings, but for September, this is AI 2027 project material and Amodei's essay "Machines of Loving Grace". We will also meet on October 18 (in a different room on campus) to discuss a few recent articles from Works in Progress (again: message Sean for info).
Contact: Adam
Contact Info: buffer8949[a t]gmail[period]com
Time: Thursday, September 18th, 6:30 PM
Location: Tapped (a city centre brew pub a stones throw from the train station and short walk for the bus station), 51 Boar Ln, Leeds LS1 5EL, http://tappedleeds.co.uk/
Coordinates: https://plus.codes/9C5WQFW3+CM
Notes: RSVP (via email) would be nice as this is the first one in Leeds and I have no idea if anyone will come
Contact: Edward Saperia
Contact Info: ed[a t]newspeak[period]house
Time: Saturday, September 13th, 1:00 PM
Location: Newspeak House (133-135 Bethnal Green Road, https://newspeak.house/)
Coordinates: https://plus.codes/9C3XGWGH+3F7
Group Link: https://groups.google.com/g/acxlondon
Notes: Please RSVP here: https://lu.ma/ACX-London-Sep-2025
Contact: Bryn
Contact Info: acx[period]manchester[a t]gmail[period]com
Time: Tuesday, September 9th, 6:30 PM
Location: The Wharf Pub, 6 Slate Wharf, Castlefield, Manchester, M15 4ST (Look for the ACX Meetup Sign)
Coordinates: https://plus.codes/9C5VFPFV+F8
Group Link: https://signal.group/#CjQKIN_v [remove this bit] SuLkWbhQ93vwXMPEiPMCK95zMfAtJHu6-YD13xssEhBx6tRFtngSSNy3liI4GQD0
Contact: Chris G
Contact Info: wardle[a t]live[period]fr
Time: Saturday, September 27th, 12:00 PM
Location: I'll be in the Newcastle Central Station coffee shop (whatever it's called now) just inside the entrance, wearing the orange Hawaiian shirt and displaying the sign.
Coordinates: https://plus.codes/9C6WX99M+H2
Contact: Alex
Contact Info: alex_acx_mtup[a t]proton[period]me
Time: Saturday, September 27th, 12:30 PM
Location: Meet at the 200 Degrees Coffee on Victoria Street, at the side of City Hall. I'll have an ACX sign for easy spotting!
Coordinates: https://plus.codes/9C4WXV32+2H
Notes: Please email me to let me know you're coming and, if comfortable, send me your phone number so you can be added to a whatsapp group for Nottingham meetups.
Contact: Stan
Contact Info: stanislawmalinowski09[a t]gmail[period]com
Time: Wednesday, October 15th, 06:30 PM
Location: The Star, 21 Rectory Rd, Oxford OX4 1BU
Coordinates: https://plus.codes/9C3WPQX6+QM
Group Link: https://www.facebook.com/groups/oxfordrationalish
Notes: Please RSVP on LessWrong so I know how many tables to book
Contact: Ben Woden
Contact Info: cascadestyler[a t]gmail[period]com
Time: Saturday, September 27th, 2:00 PM
Location: Siren Craft Brew, 1 Friars Walk, Reading RG1 1HP
Coordinates: https://plus.codes/9C3XF24G+P8
Notes: If you use Signal, feel free to ask me to add you to our Signal group, which might help if you have trouble finding us.
Contact: Colin Z. Robertson
Contact Info: czr[a t]rtnl[period]org[period]uk
Time: Saturday, September 20th, 3:00 PM
Location: 200 Degrees, 25 Division St, Sheffield S1 4GE. I'll have a piece of paper on the table with ACX written on it.
Coordinates: https://plus.codes/9C5W9GJG+2M
Group Link: https://discord.gg/8RM [remove this bit] x8BvZbz
Contact: Skittle
Contact Info: witneymeetup[a t]proton[period]me
Time: Saturday, September 27th, 2:00 PM
Location: The top end of Church Green, near the war memorial. I’ll wear a red jacket, and have an ‘ACX Meetup’ sign. If it’s raining, retreat to the Buttercross for a passing moment, or the Wetherspoon’s (‘The Company of Weavers’) if it looks like we need a longer period of shelter. Close to ‘Market Square’ bus stop, or Witney has free parking.
Coordinates: https://plus.codes/9C3WQGM9+9F
Contact: Megh
Contact Info: meghss[a t]proton[period]me
Time: Saturday, October 4th, 11:00 AM
Location: At Bono Coffee Roasters, I will have ACX meetup sign
Coordinates: https://plus.codes/95373X33+6HW
Contact: Joseph Shapkin
Contact Info: ta1hynp09[a t]relay[period]firefox[period]com
Time: Thursday, September 18th, 7:00 PM
Location: Irrational Brewing Company, 124 Street, Edmonton, AB, Canada. We will have an ACX sign at our table.
Coordinates: https://plus.codes/9558HF27+7Q
Group Link: https://www.lesswrong.com/groups/hNzrLboTGkRFraHWG
Notes: https://www.lesswrong.com/events/NQ7HDPkEMjmm4mdTq/acx-fall-meetups-everywhere
Contact: Noah
Contact Info: usernameneeded[a t]gmail[period]com
Time: Sunday, September 14th, 1:00 PM
Location: We will be meeting in the Oxford taproom, probably on the upper level. Our table will have a blue pyramid on it.
Coordinates: https://plus.codes/87PRJ9VX+PP6
Group Link: https://discord.gg/DqD [remove this bit] K2UNX
Contact: Adam
Contact Info: abrahamrembrite[a t]gmail[period]com
Time: Saturday, September 20th, 2:00 PM
Location: We'll be in the lounge area of the Cove Lakeside Resort. Go right from the lobby and walk down the hallway until you see a door that says "Owner's Lounge" then put in the code (1-9-7-4). I'll be in the lobby.
Coordinates: https://plus.codes/85X2R96G+9C
(See Waterloo)
Contact: WT
Contact Info: wtesqie[a t]uwaterloo[period]ca
Time: Wednesday, September 3rd, 6:00 PM
Location: The mall in downtown Markham. https://maps.app.goo.gl/fBfyDAFxeKzSMVrQ9?g_st=ic Right outside Lucullus Bakers on the benches.
Coordinates: https://plus.codes/87M2RMXG+FF
Group Link: https://discord.gg/deudGCG [ remove this bit] TEa, https://www.lesswrong.com/groups/8ktnBi4AjxtCmGeXA
Notes: I just made the discord group, but yes please join if you plan on coming. I haven’t decided yet whether I’ll bring food or bring people back to one of the amenity rooms in my condo nearby, but if I do I’ll need an approximate headcount.
Contact: Henri
Contact Info: acxmontreal[a t]gmail[period]com
Time: Saturday, September 13th, 1:00 PM
Location: Jeanne-Mance Park, at the corner of Duluth and Esplanade. Rough location here: https://plus.codes/87Q8GC89+37. We'll have an ACX Meetup sign, and I'll be wearing a funky hat.
Coordinates: https://plus.codes/87Q8GC89+37
Group Link: LessWrong group: https://www.lesswrong.com/groups/3nnqSgGbF8x3mTcia ; Mailing list: http://eepurl.com/io5vZM ; Discord: https://discord.gg/K8g [remove this bit] MNzqPVG
Contact: Tess
Contact Info: rationalottawa[a t]gmail[period]com
Time: Friday, September 12th, 7:00 PM
Location: We're meeting at the local park of the Ottawa organizer, Tess, called "South Keys Landing Community Garden" on google maps. We'll be in the park gazebo and will put up a yellow ACX sign, and I, Tess, will be identifiable in a black cowboy hat. If it gets too dark and buggy, we will retreat indoors at 307 Southcrest Pvt.
Coordinates: https://plus.codes/87Q698CJ+3X
Group Link: https://www.lesswrong.com/groups/PB4YL2K54CzmQDtC4, https://www.facebook.com/groups/rationalottawa, Attend a meetup to receive an invite to our discord!
Notes: Come on out to encounter ACX readers, and to find out what our Rational Ottawa weekly meetup group is like/is all about! Past years have seen attendance range from 1-2 dozen at these events, and I would expect that to continue. Please join us even if you're not quite sure you fit the crowd, or feel awkward about doing meetups!
Contact: Abi O. and Sean
Contact Info: k9i9m9ufh[a t]mozmail[period]com
Time: Sunday, October 26th, 2:00 PM
Location: Enter the Mars Atrium via University Avenue entrance. We'll meet at the food court in the basement. I'll be wearing a bright neon yellow jacket.
Coordinates: https://plus.codes/87M2MJ56+XG
Group Link: https://www.lesswrong.com/groups/8ktnBi4AjxtCmGeXA
Notes: If for some unlikely reason the Mars Building is locked, which happens occasionally due to protests and other events, we will still meet outside of the University Avenue entrance for 30 minutes after the start time before relocating to somewhere more accommodating.
Contact: Allwyn
Contact Info: allwyn8443[a t]gmail[period]com
Time: Saturday, September 6th, 11:00 AM
Location: Aperture Coffee Bar, 4124 Main St, Vancouver, BC V5V 3P7
Coordinates: https://plus.codes/84XR6VXX+9M
Group Link: https://chat.whatsapp.com/Kdl [remove this bit] gviZRNzj1JLYEWbLmg6
Notes: For ice-breaker tell us about your fav ACX post or any posts that you really enjoyed! Please RSVP here: https://www.eventbrite.com.au/e/acx-vancouver-fall-2025-meetup-tickets-1579329028639
WATERLOO
Contact: Jenn
Contact Info: jenn[a t]kwrationality[period]ca
Time: Thursday, September 18th, 7:00 PM
Location: We'll be meeting in the Waterloo Public Library Main Branch Auditorium. This is next to the children's books area, on the ground floor.
Coordinates: https://plus.codes/86MXFF8G+94G
Group Link: https://www.lesswrong.com/groups/NiM9cQJ5qXqhdmP5p
Notes: If possible, please RSVP at https://www.lesswrong.com/events/mNmt7d65nYmiCWX4w/acx-meetups-everywhere-fall-2025
Contact: Eddie
Contact Info: acxcdmx[a t]gmail[period]com
Time: Saturday, September 27th, 4:00 PM
Location: Feel free to join us at Cafebrería El Péndulo, Condesa, for coffee, drinks, and rationalist-related conversation.
Coordinates: https://plus.codes/76F2CR6G+6R
Group Link: https://www.lesswrong.com/groups/uzTxYaFupgz9ZnCT5
HUNTSVILLE
Contact: Tim
Contact Info: SentientMollusk[a t]protonmail[period]com
Time: Monday, October 27th, 2:00 PM
Location: We will be in the Barnes and Noble Cafe at the Bridge Street shopping mall. I will have a black leather jacket on my chair (or possibly on my person).
Coordinates: https://plus.codes/866MP88H+43
Group Link: https://light-machines.org/
Notes: We have meetups posted on the website through October! If you can't make the September meetup, feel free to check back later.
PHOENIX
Contact: Nathan
Contact Info: natoboo2000[a t]gmail[period]com
Time: Saturday, September 13th, 3:00 PM
Location: 901 N 1st St, Phoenix, AZ 85004. We'll have a table sign saying "ACX MEETUP", and plan to be at the high tables in the back of the courtyard.
Coordinates: https://plus.codes/8559FW5H+54
Group Link: https://www.lesswrong.com/groups/xSLmmoudDGM2w8JEG
Notes: Please RSVP on LessWrong so I can get a rough estimate of how many people to expect.
FAYETTEVILLE
Contact: Charles Smith
Contact Info: nwa_rationality[period]humid012[a t]silomails[period]com
Time: Wednesday, September 24th, 5:00 PM
Location: Loafin' Joe's- Fayetteville
Coordinates: https://plus.codes/86873R6Q+P5
BERKELEY
Contact: Scott and Skyler
Contact Info: skyler[a t]rationalitymeetups[period]org
Time: Tuesday, September 9th, 6:30 PM
Location: 2740 Telegraph Ave, Berkeley
Coordinates: https://plus.codes/849VVP5R+X5
Group Link: bayrationality.com
Notes: Children welcome, please no pets. We’ll have food, and possibly Q&A with Scott.
LOS ANGELES
Contact: Vishal
Contact Info: DM koreindian in the LAR discord
Time: Wednesday, October 1st, 7:00 PM
Location: 11841 Wagner Street, Culver City
Coordinates: https://plus.codes/8553XHWM+GP
Group Link: losangelesrationality.com. Links to the discord in there, please join the discord.
Notes: There will be a reading. Please check the discord close to the event.
REDWOOD CITY
Contact: Steven
Contact Info: stevenl451[a t]gmail[period]com
Time: Saturday, September 13th, 3:00 PM
Location: Stulsaft Park
Coordinates: https://plus.codes/849VFQ42+55
Group Link: You can ask in the ACXD discord
SAN DIEGO
Contact: Julius
Contact Info: julius[period]simonelli[a t]gmail[period]com
Time: Saturday, October 4th, 11:00 AM
Location: Wisdom Park
Coordinates: https://plus.codes/8544VRXM+65
Group Link: https://www.meetup.com/san-diego-rationalists/
SAN FRANCISCO
Contact: Andrew Gaul
Contact Info: gaul[a t]gaul[period]org
Time: Saturday, October 4th, 1:00 PM
Location: Mox, 1680 Mission St, San Francisco, CA
Coordinates: https://plus.codes/849VQHCJ+82
Group Link: https://www.lesswrong.com/groups/qQkgmEeEreY6gjd7o
Notes: Please RSVP on LessWrong so we can bring coffee and snacks
SAN JOSE
Contact: David
Contact Info: ddfr[a t]daviddfriedman[period]com
Time: Saturday, September 20th, 2:00 PM
Location: 3806 Williams Rd, San Jose, CA 95117
Coordinates: https://plus.codes/849W825J+6Q
Group Link: http://www.daviddfriedman.com/SSC%20Meetups%20announcement.html
Notes: RSVP to my email so we will have a rough count of how many we are feeding.
SANTA CRUZ
Contact: Ron
Contact Info: eyeronik1[a t]gmail[period]com
Time: Sunday, September 21st, 2:00 PM
Location: Escalona Drive between Mirimar Dr and Berkshire - Look for flags
Coordinates: https://plus.codes/848VXX83+94
SIMI VALLEY
Contact: Ryan W
Contact Info: wiserd[a t]gmail[period]com
Time: Saturday, September 6th, 2:00 PM
Location: My house, back porch
Coordinates: https://plus.codes/85637673+HF
Notes: Kid and small pet friendly. Please rsvp.
SOUTH LAKE TAHOE
Contact: Isaac
Contact Info: cis[a t]sas[period]upenn[period]edu
Time: Saturday, September 27th, 03:00 PM
Location: Brautovich Park, North Benjamin Drive
Coordinates: https://plus.codes/85C2X4P4+FJV
Group Link: https://discord.gg/en3 [remove this bit] mBMXs8q
Notes: Kids and dogs welcome. Please RSVP so I know if anyone is going to show!
SUNNYVALE
Contact: Jon Wolverton
Contact Info: wolverton[period]jr[a t]gmail[period]com
Time: Sunday, September 28th, 1:00 PM
Location: Meet at Washington Park. We'll be in a small picnic area under some trees next to the playground. Just walk around the playground until you find 3 picnic tables with a sign saying "ACX MEETUP".
Coordinates: https://plus.codes/849V9XG6+V2
Group Link: https://groups.google.com/g/bayarealesswrong
Notes: We'll be out there for 3 hours or so, so come join when you can and leave when you want. Feel free to bring kids & dogs since we're outdoors and next to a playground.
BOULDER
Contact: Sean Carter
Contact Info: sean[period]dan[period]carter[a t]gmail[period]com
Time: Saturday, September 06th, 04:00 PM
Location: We'll meet at Admiral Arleigh A. Burke Park, at the southeast corner at the gazebo. I'll be wearing a red shirt and there will be a sign with ACX MEETUP on it.
Coordinates: https://plus.codes/85FPXQV7+XXF
Group Link: https://groups.google.com/g/boulder-acx-ssc
Notes: Everyone is welcome. Please note that the area will be outside with outdoor shelter. Snacks provided.
FORT COLLINS
Contact: Spencer
Contact Info: focorats[a t]posteo[period]net
Time: Sunday, September 28th, 2:00 PM
Location: Old Town Library - Go in through the front doors, take a left, first door on the right.
Coordinates: https://plus.codes/85GPHWMG+XXX
Group Link: https://focorats.github.io/
GLASTONBURY
Contact: Richard
Contact Info: acx-meetup-hartford[a t]protonmail[period]com
Time: Saturday, October 4th, 1:00 PM
Location: Center Green, Glastonbury, CT
Coordinates: https://plus.codes/87H9P96R+VM
Notes: Parking is across the street from the park
WASHINGTON
Contact: Kayla
Contact Info: cori14[a t]gmail[period]com
Time: Saturday, October 4th, 5:00 PM
Location: Teaism Penn Quarter, 400 8th St NW, Washington, DC 20004
Coordinates: https://plus.codes/87C4VXVG+XM
Group Link: https://dcacxrationalitymeetups.beehiiv.com/; https://www.facebook.com/groups/605023464809227
Notes: Multiple Teaism locations exist; please join us at Teaism Penn Quarter on the lower level! Food and tea will be available for purchase.
Meetup Czar Note: If Cassander claims to be running ACX Everywhere, this is false. We have fully split with Cassander, and ask that he no longer use the Astral Codex Ten or Slate Star Codex brand.
CAPE CORAL
Contact: Shawn Spilman
Contact Info: Shawn[period]Spilman[a t]gmail[period]com (Just one L, please)
Time: Sunday, October 26th, 12:01 PM
Location: 929 SW 54th Ln, Cape Coral, FL 33914
Coordinates: https://plus.codes/76RWH224+44
CORAL GABLES
Contact: Garrett
Contact Info: ggarzonie[a t]gmail[period]com
Time: Saturday, September 06th, 11:00 AM
Location: Books & Books in Coral Gables
Coordinates: https://plus.codes/76QXQP2R+52V
Group Link: https://discord.gg/svZeYP83MQ
FORT LAUDERDALE
Contact: Lawrence
Contact Info: fort[period]lauderdale[period]acx[a t]gmail[period]com
Time: Sunday, October 26th, 1:30 PM
Location: Funky Buddha Brewery, 1201 NE 38th St, Fort Lauderdale, FL 33334. Parking is free in the lot across the street, we'll be sitting at an outside table with an "ACX MEETUP" sign.
Coordinates: https://plus.codes/76RX5VF9+PJ3
Group Link: https://discord.gg/svZeYP83MQ
MIAMI
(See Coral Gables.)
ST. PETERSBURG
Contact: Nathaniel B.
Contact Info: nathanieltb2[a t]gmail[period]com
Time: Saturday, October 11th, 4:00 PM
Location: We'll meet at Vinoy Park, at or near the circular path surrounding the Truth Sculpture at the southern end of the park. I'll have a sign that says "ACX."
Coordinates: https://plus.codes/76VVQ9GF+X78
Notes: Please feel free to attend even if you're anxious, and regardless of how often you read the blog. Folks from Tampa and surrounding cities are also welcome to attend!
WEST PALM BEACH
Contact: Charlie
Contact Info: chuckwilson477[a t]yahoo[period]com
Time: Saturday, September 27th, 2:00 PM
Location: Common Grounds Brew & Roastery 3065 S Dixie Hwy, West Palm Beach, FL 33405 We will be seated inside at a table with an ACX MEETUP sign on it. Parking is free at an adjacent lot.
Coordinates: https://plus.codes/76RXMWPW+53W
Group Link: https://discord.gg/svZeYP83MQ
Notes: We host meetups throughout the south Florida area. Come join our Discord, we're always welcoming!
ATLANTA
Contact: Steve
Contact Info: steve[a t]digitaltoolfactory[period]net
Time: Saturday, September 13th, 2:00 PM
Location: Bold Monk Brewing 1737 Ellsworth Industrial Blvd NW suite d-1, Atlanta, GA 30318 We will be by the front doors in the breezeway with a yellow table sign saying "ACX"
Coordinates: https://plus.codes/865QRH2F+V8W
Group Link: https://ACXAtlanta.com
Notes: Please RSVP on LessWrong
BOISE
Contact: Tim
Contact Info: tim[period]r[period]burr[a t]gmail[period]com
Time: Saturday, September 27th, 1:00 PM
Location: Sunset Park, 32nd Street side
Coordinates: https://plus.codes/85M5JQVC+JH
CHICAGO
Contact: Todd
Contact Info: info[at]chicagorationality[dot]com
Time: Saturday, September 27, 2:00 PM
Location: Grant Park
Coordinates: https://plus.codes/86HJV9FH+99
Group Link: https://chicagorationality.com/
BLOOMINGTON
Contact: John
Contact Info: himalayansp[a t]hotmail[period]com
Time: Friday, October 3rd, 5:00 PM
Location: 310 S. Eastside Drive Bloomington, IN 47401. It’s the house surrounded by the tall bushes
Coordinates: https://plus.codes/86FM5F7P+GJ
Notes: just show up
INDIANAPOLIS
Contact: Blake Riley
Contact Info: blake[period]j[period]riley[a t]gmail[period]com
Time: Sunday, September 14th, 2:00 PM
Location: Upland FSQ Brewery 1201 Prospect St, Indianapolis, IN 46203 I'll have a sign and a copy of Unsong at the table
Coordinates: https://plus.codes/86FMQV26+VQ
Notes: Might be seated indoors or outdoors depending on the weather. Brewery is all-ages and family-friendly, not 21+
SOUTH BEND
Contact: Gibson
Contact Info: gibspaulding17[a t]gmail[period]com
Time: Saturday, September 13th, 10:00 AM
Location: Chicory Cafe in South Bend. 105 E Jefferson Blvd #103, South Bend, IN 46601 I'll try to be at one of the high tops in the northern half of the building if one is open but the place isn't huge so it'll be wherever I can find a spot. I'll have a sign.
Coordinates: https://plus.codes/86HMMQG2+32
WEST LAFAYETTE
Contact: Grant
Contact Info: grantfellows18[a t]gmail[period]com
Time: Saturday, September 27th, 12:00 PM
Location: Beering Hall of Liberal Arts (BRNG) Room 1268, 100 N University St, West Lafayette, IN 47907. BRNG 1268 is in the southwest corner of the building, and can be found after turning left at the south entrance. Please email me if you cannot find us. I will also place an ACX Meetup sign at the entrance to the room.
Coordinates: https://plus.codes/86GMC3GM+4C
Group Link: https://discord.gg/QCq [remove this bit] QBp6s59
LEXINGTON
Contact: Logan S.
Contact Info: logansignup95[a t]gmail[period]com
Time: Sunday, September 14th, 4:00 PM
Location: Charlie Browns - 816 Euclid Ave, Lexington, KY 40502 - An ACX sign will be on the table.
Coordinates: https://plus.codes/86CQ2GH5+WH
Notes: An RSVP or heads up sent to the email would be appreciated, but not required. Hope to see yall there!
BALTIMORE
Contact: Rivka
Contact Info: rivka[a t]adrusi[period]com
Time: Sunday, September 14th, 7:00 PM
Location: First floor of the Performing Arts and Humanities Building at UMBC. The address is 1000 Hilltop Cir, Baltimore, MD 21250. There will be a sign that says "ACX Meetup".
Coordinates: https://plus.codes/87F5774P+53
Group Link: We have a mailing list and a discord. The mailing list is more for our weekly meetup reminders and the discord is more of a social environment. Here's a link to the discord: https://discord.com/invite/h4z5UgeYVK. If you would like to be added to the mailing list, please email me.
Notes: Parking is free on the weekend. There will be food and drinks. RSVPs are useful so I know how much food to get, but are not required.
FORT MEADE
Contact: Ferret
Contact Info: meetup2025[period]unseen534[a t]passmail[period]net
Time: Saturday, September 27th, 02:00 PM
Location: Contact Coordinator
Coordinates: Contact Coordinator
Group Link: Contact Coordinator
Notes: Location is on a military base - attendees must be able to access base themselves; coordinator will not sponsor attendees onto base
BOSTON
Contact: Skyler
Contact Info: skyler[a t]rationalitymeetups[period]org
Time: Saturday, September 27th, 2:00 PM
Location: Sennott Park, 305 Broadway, Cambridge. I'll be wearing a tall striped hat.
Coordinates: https://plus.codes/87JC9W92+92
Group Link: https://linktr.ee/bostonacx
Notes: We’ll have snacks and pizza. Kids and pets welcome! There’s a playground at the park.
NEWTON
Contact: duck_master
Contact Info: duckmaster0[a t]protonmail[period]com
Time: Saturday, September 6th, 12:00 PM
Location: Newton Centre Green (Centre St & Beacon St)
Coordinates: https://plus.codes/87JC8RJ4+76
Group Link: https://discord.gg/Qy8 [remove this bit] P3btVqG
Notes: please RSVP on lesswrong!
NORTHAMPTON
Contact: Alex
Contact Info: alex[a t]alexliebowitz[period]com
Time: Saturday, September 6th, 6:00 PM
Location: Rocky Hill Cohousing
100 Black Birch Trail, Northampton, MA 01062 Common house at Rocky Hill Cohousing, 100 Black Birch Trail, Northampton, MA 01062. The common house is the first building you see when coming into the community (but after the event parking, which lines the road leading in on the right). The entrance door is around the left coming from Black Birch Trail; we'll put a sign saying "ACX Meetups Everywhere" or the like on the correct door. Walk straight in and you'll come to the main room where the meetup is happening.
Coordinates: https://plus.codes/87J9884H+VF
Group Link: Email alex[at]alexliebowitz[dot]com to get on mailing list (let me know if you want to be a CC or BCC). There's also a moderately-active Discord that you can join at https://discord.gg/vec [remove this bit] W7TfsPg , where I make the announcements as well.
Notes: Guest parking should be along the road leading in (Black Birch Trail), parking to the right as you drive in. There is an Event Parking sign but it is not the most visible. There are disabled spaces directly in front of the Common House (100 Black Birch Trail). If we overflow the road, people can use the resident lots to the left and right.
ANN ARBOR
Contact: Joseph Pryor
Contact Info: Jwpryorprojects[a t]gmail[period]com
Time: Saturday, September 20th, 1:00 PM
Location: Friends Meetinghouse 1420 Hill St. Ann Arbor Mi If the weather is good will meet in the back yard at the picnic tables, if it is raining or too cold the corner room of the meeting house is reserved.
Coordinates: https://plus.codes/86JR77C9+MQ
Group Link: https://www.meetup.com/ann-arbor-ssc-rationalist-meetup-group
Notes: Meetup runs from 1pm to 5pm, come any time in that range! All day parking is available in the alley at the rear of the property and on the side streets. Feel free to bring food and drinks if the weather is good. (no food or drinks indoors) Bathrooms are available inside the building. For any questions or for text reminders the day before: 517-945-8084 No rsvp required but check out our monthly meetups at the group link!
ROYAL OAK
Contact: Victor
Contact Info: wooddellv[a t]yahoo[period]com
Time: Friday, September 19th, 6:00 PM
Location: The Panera at the corner of Woodward Ave. and 13 Mile Road. I'll have a sign on the table.
Coordinates: https://plus.codes/86JRGR87+X3
Notes: Please RSVP, so that I know what size table to reserve.
SAINT PAUL
Contact: Aaron Kaufman
Contact Info: ironlordbyron[a t]gmail[period]com
Time: Sunday, September 28th, 4:00 PM
Location: 41 Cleveland Ave S, St Paul, MN 55105 Davanni's Pizza Party Room
Coordinates: https://plus.codes/86P8WRQ6+XX
Group Link: This is the minneapolis/st paul ACX Discord: https://discord.gg/m2x [remove this bit] JcuC937
Notes: I'll be ordering pizzas for the group, including vegetarian pizza. Note that Davanni's has no vegan options besides salad (though I will be ordering a group salad that should be vegan-compatible.)
KANSAS CITY
Contact: Alex
Contact Info: alex[period]hedtke[a t]gmail[period]com
Time: Friday, September 26th, 6:30 PM
Location: Minsky's Pizza. Tell the hostess you are here for the conference room meetup, they will bring you right to us!
Coordinates: https://plus.codes/86F74C58+CW
Group Link: https://www.meetup.com/kc_rat_ea/
ST. LOUIS
Contact: Sebastian
Contact Info: littlejohnburidan[at]gmail[dot]com
Time: Friday, October 3, 7:00 PM
Location: Olympia Kebob House - reservation for 'Sebastian'. I will have an ACX sign and we will be in the back room.
Coordinates: https://plus.codes/86CFJMFR+JR
Group Link: https://www.lesswrong.com/g/JTMprAL9QpCct2od3/p/RwTKebjmomX6sYsSD/
BOZEMAN
Contact: Thomas Cuezze
Contact Info: tcuezze[a t]gmail[period]com
Time: Wednesday, September 3rd, 6:00 PM
Location: We can use the picnic tables on the south-center side of Cooper Park. I'll be there with a cardboard sign that says "ACX MEETUP".
Coordinates: https://plus.codes/85QCMXF3+R9
Group Link: https://chat.whatsapp.com/DQp [remove this bit] m7ptsMWU3nsBOH2BsP2
Notes: RSVP via email or whatsapp would be nice but not required.
LAS VEGAS
Contact: Jonathan Ray
Contact Info: ray[dot]jonathan[dot]w[at]gmail[dot]com
Time: Saturday, September 27, 10:00 AM
Location: Leone Cafe
Coordinates: https://plus.codes/85865P87+R7
LAKEWOOD
Contact: Ben L
Contact Info: mywebdev3[a t]gmail[period]com
Time: Sunday, September 21st, 11:00 AM
Location: Ocean County Park. Second parking lot on the right. Drive to the far left end under the trees.
Coordinates: https://plus.codes/87G73RW8+4C
Notes: Please RSVP on LessWrong so I know how much food to get
NEWARK
Contact: Wayne
Contact Info: weastman[a t]business[period]rutgers[period]edu
Time: Friday, October 24th, 7:00 PM
Location: CoolVines Newark, 625 Broad Street, Newark New Jersey
Coordinates: https://plus.codes/87G7PRRJ+44
ALBANY
Contact: Jake
Contact Info: jacob[period]scheiber[a t]gmail[period]com
Time: Sunday, September 28th, 1:00 PM
Location: 131 Colonie Center, Albany NY 12205 (Upstairs in food court, at the tables by the windows overlooking the parking lot)
Coordinates: https://plus.codes/87J8P56M+CC
BROOKLYN
Contact: Stefan Le Noach
Contact Info: stefanlenoach[a t]gmail[period]com
Time: Friday, September 26th, 7:30 PM
Location: 81 McGuinness Blvd apt 6A, my apartment roof
Coordinates: https://plus.codes/87G8P3G2+4F
Notes: RSVP by email please!
BUFFALO
Contact: Sarah W.
Contact Info: seraphedelweiss[a t]proton[period]me
Time: Sunday, September 07th, 1:00 PM
Location: University at Buffalo South Campus, the courtyard in between Abbot Library and the Continuing Dental Education building.
Coordinates: https://plus.codes/87J3X53J+HR
MANHATTAN
Contact: Robi and Shaked
Contact Info: robirahman94[a t]gmail[period]com
Time: Sunday, September 7th, 3:00 PM
Location: The round grassy clearing in the middle of Pumphouse Park
Coordinates: https://plus.codes/87G7PX6M+RG
Group Link: Discordhttps://discord.gg/mc [ remove this bit] WDcyb9, Google group: https://groups.google.com/g/overcomingbiasnyc
MASSAPEQUA (LONG ISLAND)
Contact: Gabe
Contact Info: gabeaweil[a t]gmail[period]com
Time: Saturday, October 25th, 4:00 PM
Location: 47 Clinton Pl., Massapequa, NY 17758 (backyard)
Coordinates: https://plus.codes/87G8MG4F+3X
NEW YORK CITY
(See Manhattan or Brooklyn)
ROCHESTER
Contact: Bryce
Contact Info: bryce[a t]brycedav[period]is
Time: Wednesday, September 24th, 06:30 PM
Location: Java's Cafe (16 Gibbs St)
Coordinates: https://plus.codes/87M4594X+W9
ASHEVILLE
Contact: Vicki Williams
Contact Info: vickirwilliams[a t]gmail[period]com
Time: Friday, September 26th, 6:00 PM
Location: Biltmore Lake (aka Enka Lake) Fire Pit behind the ball courts. Google maps '420 Lake Dr, Candler, NC 28715'
Coordinates: https://plus.codes/867VG8MW+9G
Notes: Please RSVP for reminder and in case of reschedule. Kids welcome (there's a nearby playground) as are leashed pets. There will be a campfire and typical fire related food stuffs.
CHARLOTTE
Contact: KC
Contact Info: acxcltkc1[period]afford407[a t]passinbox[period]com
Time: Saturday, September 20th, 2:00 PM
Location: 4400 Sharon Road, SouthPark Mall, at the entrance atrium between Cheesecake Factory & Maggiano's. I will be wearing a white shirt with blue fish all over it.
Coordinates: https://plus.codes/867X5529+QR
Notes: The location is outdoors. We'll move inside the mall in case of bad weather.
RALEIGH-DURHAM
Contact: Logan
Contact Info: Logan[dot]the[dot]word[at]gmail[dot]com
Time: Saturday, October 4, 5:00 PM
Location: Ponysaurus Brewing Co (219 Hood St, Durham). We'll be at the outdoor seating area with an ACX sign on the table
Coordinates: https://plus.codes/8773X4Q3+QW
Group Link: https://groups.google.com/g/rtlw
Additional Notes: There will be pizza! The venue serves beer but is kid-friendly. I'll have more details on the Google group (see link)
FARGO
Contact: Matthew
Contact Info: gammansm[a t]gmail[period]com
Time: Saturday, October 11th, 2:00 PM
Location: Atomic Coffee. I'll be wearing a blue shirt and have an ACX Meet-up sign.
Coordinates: https://plus.codes/86R5V6H6+GR
Notes: RSVP strongly preferred but not required at: gammansm[ a t]gmail.com
DAYTON
Contact: Kevin
Contact Info: lesswrong[period]dayton[a t]gmail[period]com
Time: Saturday, September 6th, 3:00 PM
Location: 10 East Main Street, Fairborn, OH, USA In the soon to open: Absolute Arcade
Coordinates: https://plus.codes/86FQRXCH+GQF
Group Link: https://www.meetup.com/lesswrong-dayton/
MARIETTA
Contact: Michael Bond
Contact Info: bond[a t]spokenaac[period]com
Time: Saturday, September 20th, 12:00 PM
Location: McKenna's - Outside on the back patio if the weather is nice, inside in the back if it's not.
Coordinates: https://plus.codes/86FWCG7W+5C
Notes: Sandwiches and drinks alcoholic and non- will be available for purchase at the counter, I'll be wearing a baseball cap with something odd on it. The park across the street will be having their annual dachshund races, so a good time is guaranteed for all.
CORVALLIS
Contact: Kenan
Contact Info: kbitikofer[a t]gmail[period]com
Time: Friday, October 3rd, 6:00 PM
Location: Tacovore @ 2503 NW Kings Blvd, Corvallis, OR 97330. If possible we'll sit at the outdoor tables. An "ACX Corvallis" paper will be visible on the table.
Coordinates: https://plus.codes/84PRHPRG+WH6
Group Link: ACX/EAs of Willamette Valley Discord: https://discord.gg/AmQ [remove this bit] rjrrHQu
EUGENE
Contact: Michael B
Contact Info: michael[period]bacarella[a t]gmail[period]com
Time: Wednesday, September 10th, 6:00 PM
Location: Beergarden. 777 W 6th Ave, Eugene, OR 97402
Coordinates: https://plus.codes/84PR3V3W+C6G
Group Link: https://discord.gg/Ba2 [remove this bit] TYVgxzw
Notes: Hosted by the ACX/EAs of Willamette Valley Meetup (see our Discord!)
PORTLAND
Contact: Sam Celarek
Contact Info: scelarek[a t]gmail[period]com
Time: Saturday, September 20th, 5:30 PM
Location: We will be at Bridgespace underneath the Hawthorne Bridge. Look for a large sign saying PEAR near the entrance on the East facing side of the building, or call the number on the meetup event!
Coordinates: https://plus.codes/84QVG87P+6CM
Group Link: https://www.meetup.com/portland-effective-altruism-and-rationality/events/303126316/?slug=portland-effective-altruism-and-rationality&eventId=303126316
Notes: BridgeSpace itself. Our group has dinners weekly at Cartopia. https://www.meetup.com/portland-effective-altruism-and-rationality/events/310434918 Come join a mix of Rationalists and EAs (80:20)!
ALLENTOWN
Contact: Ed
Contact Info: ed[period]lundeen[a t]gmail[period]com
Time: Saturday, 11th, 10:00 AM
Location: Covered Bridge Park, South Whitehall Tshp
Coordinates: https://plus.codes/87G6JCHM+84
Meetup Czar note: The organizer messaged me saying Oct 10 was a mistake and he meant Oct 11. I’ve updated this appropriotely.
HARRISBURG
Contact: Phil
Contact Info: acxharrisburg[a t]gmail[period]com
Time: Saturday, September 20th, 3:00 PM
Location: Zeroday Taproom, 925 N 3rd St, Harrisburg, PA 17102 Look for the table with an "ACX MEETUP" sign
Coordinates: https://plus.codes/87G57487+R7G
Group Link: https://www.lesswrong.com/groups/PXrLoKgiAyXEG2hLD
PHILADELPHIA
Contact: Ben
Contact Info: bwieland[a t]gmail[period]com
Time: Saturday, September 20th, 11:00 AM
Location: La Colombe Coffee, 100 S Independence Mall W (6th at Market, SW corner)
Coordinates: https://plus.codes/87F6XR2X+4J
Group Link: https://groups.google.com/g/ACXPhiladelphia https://discord.gg/46z [remove this bit] b6hRVGB
PITTSBURGH
Contact: Rushi
Contact Info: pghacx[a t]gmail[period]com
Time: Saturday, September 13th, 2:30 PM
Location: City Kitchen at Bakery Square
Coordinates: https://plus.codes/87G2F34M+JP5
Group Link: https://discord.gg/6yu [remove this bit] FhsRRJm and https://forms.gle/22YCsXAYFPbBCzvMA
Notes: Excited to meet other ACX readers in the 'burgh! Join our Discord to hear about other meetups as well
PROVIDENCE
Contact: Michael Traner
Contact Info: michaeltraner7[a t]gmail[period]com
Time: Saturday, October 4th, 4:00 PM
Location: Prospect Terrace Park if it is decent weather, the Providence Place Mall Food Court if weather is bad. I'll have a sign saying ACX MEETUP measuring at least three feet diagonally positioned in some conspicuous way.
Coordinates: https://plus.codes/87HCRHJV+236
Notes: RSVP to receive weather updates. The fallback location code is https://plus.codes/87HCRHGM+VH, inside the Providence Place Mall.
BRENTWOOD
Contact: JG
Contact Info: cubic[period]admirer_3j[a t]icloud[period]com
Time: Sunday, September 14th, 1:30 PM
Location: John P Holt Brentwood Library. If weather is good, outside near the spring house behind the library. If weather is bad, inside in the Shaw study room.
Coordinates: https://plus.codes/867MX6V5+RR
Notes: RSVP appreciated but not required
KNOXVILLE
Contact: Amy
Contact Info: amyelquest[a t]gmail[period]com
Time: Saturday, October 4th, 1:00 PM
Location: Schulz Bräu Brewing Company, 126 Bernard Ave, Knoxville, TN 37917 - outdoor table if it's not raining, indoor table upstairs if it is raining, I'll bring a small ACX sign.
Coordinates: https://plus.codes/867RX3GF+RG
AUSTIN
Contact: Silas Barta
Contact Info: sbarta[a t]gmail[period]com
Time: Saturday, October 11th, 12:00 PM
Location: The park by Central Market, 4001 North Lamar, Austin, Texas. We will be by the stone tables by the pond with tarps for shade. We will have a LessWrong and ACX sign and have some tents set up. You can also park in the parking lot at 3900 Guadalupe St (outside the fenced hospital area).
Coordinates: https://plus.codes/86248746+9C
Group Link: https://austinlesswrong.com/calendar/
Notes: Feel free to bring kids/dogs (though it's a bit of a walk to the indoor bathrooms). We'll provide breakfast tacos (including vegan) and other snacks and drinks. Feel free to bring more, but it's not expected.
BELTON
Contact: Michael
Contact Info: michael[a t]postlibertarian[period]com
Time: Saturday, September 27th, 1:00 PM
Location: Arusha Coffee, 126 N East St, Belton, TX 76513. I will be inside at one of the tables with an ACX MEETUP sign. I will try to wear a red shirt.
Coordinates: https://plus.codes/86343G4P+QXW
Group Link: https://discord.gg/XNt [remove this bit] kJfqUqX
DALLAS
Contact: Ethan
Contact Info: ethan[period]morse97[a t]gmail[period]com
Time: Saturday, October 4th, 2:00 PM
Location: Whole Foods Market, 11700 Preston Rd Suite 714, Dallas, TX 75230. We'll be in the upstairs seating area closest to the windows.
Coordinates: https://plus.codes/8645W55W+2M
HOUSTON
Contact: Joe Brenton
Contact Info: joe[period]brenton[a t]yahoo[period]com
Time: Sunday, October 19th, 1:00 PM
Location: Retrospect Coffee Bar 3709 La Branch St, Houston, TX 77004. We'll be in the back covered patio area with picnic tables.
Coordinates: https://plus.codes/76X6PJPF+4R
Group Link: https://discord.gg/Dzm [remove this bit] EPAscpS
SAN ANTONIO
Contact: James P
Contact Info: jonbenettleilax[a t]gmail[period]com
Time: Sunday, October 5th, 1:00 PM
Location: 203 E Jones Ave Ste 101, San Antonio, TX 78215, USA
Coordinates: https://plus.codes/76X3CGP9+CV
Group Link: https://www.lesswrong.com/groups/CEPoFETJXADdriPGt
SALT LAKE CITY
Contact: Ross
Contact Info: adamisom[a t]hey[period]com
Time: Saturday, October 11th, 3:00 PM
Location: Liberty Park, near the ChargePoint station
Coordinates: https://plus.codes/85GCP4WF+MF
Group Link: there's a mailing list and Discord, please ask at the meetup! :)
FREDERICKSBURG
Contact: Michael Wagner
Contact Info: wagner[period]michaeldavid[a t]gmail[period]com
Time: Thursday, September 25th, 7:00 PM
Location: Kickback Jacks, 10145 Southpoint Pkwy, Fredericksburg, VA 22407
Coordinates: https://plus.codes/87C46FRV+49
Notes: I’ll be in a dress shirt and have an “ACX Meetup” sign or card, and try and sit near the door. I am also a member of the Richmond ACX meetup, and hope this can be a part of a larger mid-central Virginia ACX meetup community.
RICHMOND
Contact: Brandon Quintin
Contact Info: brandonmquintin[a t]gmail[period]com
Time: Thursday, September 18th, 6:00 PM
Location: Hardywood Pizza Kitchen + Taproom (2410 Ownby Ln, Richmond, VA 23220)
Coordinates: https://plus.codes/8794HG7R+XX
WILLIAMSBURG
Contact: Jough
Contact Info: joughdonakowski[a t]gmail[period]com
Time: Saturday, September 6th, 6:00 PM
Location: Aroma's Coffeehouse and Cafe, 431 Prince George St, Williamsburg, VA 23185
Coordinates: https://plus.codes/879577CV+W6
Group Link: https://discord.com/channels/1009 [remove this bit] 579704572981399/1374878078790139904
Notes: Very chill group, family and friends all welcome. We'll be indoors but pet friendly seating is availble.
(for Washington, DC, see “DC”)
BELLEVUE
Contact: Joey
Contact Info: me[a t]joeym[period]org
Time: Saturday, October 4th, 2:00 PM
Location: Bellevue Library, Meeting room #TBD. 1111 110th Avenue NE. Bellevue, WA 98004 with a page with "ACX" on it or one of its chairs.
Coordinates: https://plus.codes/84VVJRC4+35
Group Link: https://www.meetup.com/seattle-rationality/; https://www.lesswrong.com/groups/PmvZmMxBtxE87PHZf
SEATTLE
Contact: Joey
Contact Info: me[a t]joeym[period]org
Time: Wednesday, September 10th, 6:00 PM
Location: Armistice Coffee Roosevelt, 6717 Roosevelt Way NE Suite 101, Seattle, WA 98115. I'll be in the back covered area, with a sign that says "Astral Codex Ten Meetup".
Coordinates: https://plus.codes/84VVMMHJ+4XJ
Group Link: https://www.meetup.com/seattle-rationality/events/; https://www.lesswrong.com/groups/PmvZmMxBtxE87PHZf; https://discord.gg/6qk [remove this bit] jG5heDC
MADISON
Contact: Leo
Contact Info: jaquablouisbertrand[a t]gmail[period]com
Time: Sunday, September 14th, 4:00 PM
Location: Memorial Union Terrace around the brat stand.
Coordinates: https://plus.codes/86MG3HGX+QX4
Group Link: https://groups.google.com/g/madison-wi-acx
Notes: Email directly for details. Will make a group message if there's sufficient interest.
Contact: David Reis
Contact Info: davidreis[a t]gmail[period]com
Time: Saturday, October 4th, 4:00 PM
Location: Patio Savassi in front of Fany Bonbons
Coordinates: https://plus.codes/58GR3358+MC
Group Link: https://chat.whatsapp.com/C0S [remove this bit] Ze8fdU8O1WgLd4GsST6
Contact: Adiel
Contact Info: adiel[a t]airpost[period]net
Time: Saturday, October 25th, 4:00 PM
Location: Angeloni Beira Mar, at the food court. I’ll be wearing a yellow hat.
Coordinates: https://plus.codes/584HCFGF+326
Group Link: https://chat.whatsapp.com/KrR [remove this bit] jgkiruWA7419WNGakxq
Notes: Everyone is welcome! As usual, there will be cookies.
Contact: Nicolas
Contact Info: novaeangliae1[a t]protonmail[period]com
Time: Saturday, September 13th, 4:00 PM
Location: Praça Nelson Mandela, Botafogo. I'll be sitting on the large circular concrete bench. I'll have a piece of paper with 'ACX' written on it taped to my shirt.
Coordinates: https://plus.codes/589R2RX8+P63
Contact: Iñaki
Contact Info: inaki[period]escarate[a t]gmail[period]com
Time: Saturday, September 13th, 4:00 PM
Location: Mercado Urbano Tobalaba, en la entrada, al lado del mural blanco grande.
Coordinates: https://plus.codes/47RFH9JX+XF
Contact: Antonio
Contact Info: antoniomartineza[period]1998[a t]gmail[period]com
Time: Saturday, September 13th, 5:00 PM
Location: I'll be at Culto Café with an ACX Meetup sign. The address is Canelones y Requena
Coordinates: https://plus.codes/48Q53RVJ+4J
Notes: We'll be having at least 2 other people besides me so don't worry about it being only you and the organizer