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by Randall Munroe, author of ‘What If?’ ‘How To’ ‘Thing Explainer’. A webcomic of romance, sarcasm, math, and language.
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16组分环氧树脂 || 16-Part Epoxy

2026-01-14 13:00:00

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Some surfaces may seem difficult to glue. But if you research the materials, find tables of what adhesives work on them, and prepare your surfaces carefully, you can fail to glue them in a fun NEW way that fills your house with dangerous vapors.

帆船索具 || Sailing Rigs

2026-01-12 13:00:00

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I wanted to make the world's fastest yawl, so I made the aft sail bigger, but apparently that means it's not a yawl anymore! It's a real ketch-22.

行星连珠 || Planetary Alignment

2026-01-09 13:00:00

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We're going to need to modify the surface to mount it on the test stand. Which ocean basin do you like the least?

迷信 || Superstition

2026-01-07 13:00:00

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It's important to teach yourself to feel responsible for random events, because with great responsibility comes great power. That's what my wise Uncle Ben told me right before he died; he might still be alive today if only I'd said rabbit rabbit that year!

张力完整性 || Tensegrity

2026-01-05 13:00:00

Some people argue that the tension and compression in the human skeleton is technically tensegrity, but it's missing the defining characteristic: making people say 'wtf, how is that thing floating?' when they see it.

圆锥截面 || Conic Sections

2026-01-02 13:00:00

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They're not generally used for crewed spacecraft because astronauts HATE going around the corners.