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A learning a day, since May 12 2008, by Rohan.
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The M720 Bluetooth pairing solve

2024-12-26 20:14:00

I started using a Logitech M720 Triathlon mouse a year or so ago. It is a good mouse – a keeper. My favorite feature of the mouse is a small piece of elegant design.

A Bluetooth device like this typically requires a small USB pairing device. And it is easy to lose track of where you last kept that device.

The Logitech team had a simple solve – they designed a spot for the USB pairing device right next to the battery.

This means you always have it with you. Once you use it, you just put it back in.

An elegant solution. Well played.

Sit-and-Rise test

2024-12-25 20:37:00

The Sit-and-Rise test is a simple test of our ability get down to the floor and up again. You start by crossing one foot in front of the other and sit down in a cross-legged position without holding onto anything.

Now, from the same cross-legged position, you rise up – if possible, without using support.

A group of Brazilian and American researchers thought this might provide insight into longevity. So they tested 2002 men and women between ages 51 to 80.

6 years later, 179 (or 8%) of the study subjects had died. It turned out that the higher the subject scored in the test, the greater the improvement in their statistical likelihood of survival.

The likely cause is that this test is a measure of a person’s mobility. People with better mobility are less likely to fall and are more likely to be in better all-round health.

It is a useful test to understand our current state. More importantly, it is a skill worth improving.

(H/T: Built to Move by Kelly Starrett and Juliet Starrett)

10 questions – Annual Reflection 2024

2024-12-24 20:39:00

The 10 question annual reflection is a longstanding ALearningaDay tradition. I recommend doing it in 3 steps:

i) Carve out an hour in the next week to “look back and look forward.” It helps to do this in a quiet place with no distractions or interruptions.

ii) Work with a list of 10 questions that make you think. For a starter list, I’ve shared the 10 questions I ask myself below (here’s the Google doc – you can just make a copy onto your Google Drive). I prioritize keeping my list simple – some years, I get done in an hour and in other years, I spend a few hours diving deep into a question or two. The important thing is not the length/depth, it is simply carving out the time to zoom out.

iii) Archive your questions and notes for next year. Check in with them over the course of the year and read them before you start next year’s reflection. Looking at what was top-of-mind a few years later is also guaranteed to make you smile. :-)


1. What are the top 2 themes/memories/moments I will remember 2024 for? 

2. What were the 2 biggest lessons I learnt in 2024?

3. We learn from a mix of 3 sources – i) taking action and reflecting on our experiences, ii) people, and iii) books/courses or synthesized information. What did my mix look like in 2024? What would I do differently in 2025? 

i) Action + reflection:

ii) People:

iii) Books/synthesized info:

4. Looking back at how I spent my time in 2024, what were the top 2-3 themes/buckets x processes/outcomes I prioritized (Examples: Career – prioritized ABC project or getting a raise, Health – prioritized more outdoor exercise or losing 10 pounds)? Did what I prioritize align with what I intended to prioritize/were there any surprises? 

5. What are the top 2 themes/buckets x processes/outcomes I intend to prioritize in 2025? 

6. What do I most need to learn in 2025 and how do I plan to do this? 

7. What are habits/checkpoints I have in place to recommit to my priorities? (E.g. weekly/monthly check in)

8. What have I got planned in 2025 to prioritize renewal and memorable experiences (e.g. holiday plans, weekend activities, hobbies)?

9. Health, close relationships, and money are foundational to the quality of our lives on this planet. What are my guiding principles or habits as I think of these dimensions in 2025?

Health:

Close relationships:

Money:

10. Do I have a personal philosophy – a set of principles and/or virtues that I want to live my life by? (If not, would I consider putting together a first version?) What have I learnt about them in my attempts to live them? Do I plan to evolve them in 2025?

 [Note: Virtues are values we actually embody. Inspired by the code of the Samurais, the difference is what we believe (values) vs. what we do (virtues). Our values become virtues when living them costs us money, time, or something valuable]


I look forward to doing mine in the next 10 days. More to follow.

Ngorongoro Conservation Area

2024-12-23 20:51:00

The next stop in our African National Park journey takes us to Ngorongoro. The Ngorongoro Conservation Area is a Unesco World Heritage Centre. This area includes the Olduvai Gorge (Oldupai is the actual name – the name was misspelled as Olduvai) – also known as the cradle of humanity. Excavations in this gorge unearthed the remains of Homo Habilis from 1.9 million years ago and helped us understand the kinds of tools we evolved to be able to use.

I didn’t take a good picture while I was there. This picture (source) of the gorge shows the various colors of the rocks from millions of years.

The small museum at the gorge features a beautiful exhibition showcasing our evolution from our chimp cousins to humans – featuring tools and skeletons unearthed at the gorge.

This area is known for the famous Ngorongoro crater. It is the world’s largest inactive, inactive, and unfilled volcanic caldera or cauldron. You descend via a steep one-way route and reach the covering roughly 100 square miles. This is half-way into the descent.

Once you get down, the crater is teeming with wildlife.

The setting is surreal. Over to a few pictures.

This is the elusive caracal – one of the smallest African cats.

The static water is alkaline – contributing to the pink colors of these Flamingos.

A gazelle close-up – the bigger ones are Grant gazelles and the smaller ones are Thompson gazelles.

The superb starling has stunning colors.

A hyena eating the remains of a buffalo. The Ngorongoro crater is home to one of the longest running hyena studies. As the crater is flat, hyena packs have, over the years, become so dominant that they’ve chased the Cheetahs out of the crater. The only cats that can keep their prey from them once they kill are lions.

Lions spend their days resting and hunt at night.

This was a family of lions with 3 eager youngsters who were getting a lesson in patience from their mother.

The Ngorongoro crater is typically the first stop on a route featuring two iconic National Parks – The Serengeti and The Maasai Mara. While it is only a day trip for most people enroute to the Serengeti, it makes for an awe-inspiring setting – a reminder of just how amazing our planet is.

(“Our World is Awesome” series: Grand Teton NPYellowstone NPGrand Canyon NPLauterbrunnen Valley, Tarangire NP)

On letting fires burn

2024-12-22 20:44:00

One of the things you learn to do as a leader is to let fires burn. Every problem can’t be dealt with immediately.

The challenge here, however, isn’t in understanding you have to let fires burn.

It is in improving our judgment on which fires we need to let burn and which fires we need to tend to.

Multiplayer game

2024-12-21 20:03:00

One way to view work is to frame it as a multiplayer game. Every year, we work our way up to the next level.

The difficulty goes up as we make our way up these levels – linearly at first, then exponentially.

As a result, we never ever feel completely comfortable. Just as we get comfortable in one level, it is time for the next one. We just have to embrace that constant discomfort – it is where learning and growth happens.

That doesn’t mean we can’t have fun while we’re at it. We have fun when three things happen.

First, we need to pick the right game. It starts here.

Next, we need to learn to fall in love with that process of learning and growth.

And finally, we need to find the right crew to play with.

If all three of these are in place in the game we’re playing, best to savor it… and make it count.