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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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Jumping Frog Radius

2025-12-15 13:00:00

Earth's r_jf is approximately 1.5 light-days, leading to general relativity's successful prediction that all the frogs in the Solar System should be found collected on the surface of the Earth.

Apples

2025-12-12 13:00:00

The experimental math department's budget is under scrutiny for how much they've been spending on trains leaving Chicago at 9:00pm traveling at 45 mph.

Fishing

2025-12-10 13:00:00

'That's definitely above the catch-and-release size minimum for planetesimals.' 'I'm going to throw it back anyway.'

Hyperacute Interdynamics

2025-12-08 13:00:00

Our models fall apart where the three theories overlap; we're unable to predict what happens when a nanometer-sized squirrel eats a grapefruit with the mass of the sun.