What If?
what-if.xkcd.com
A collection of scientifically rigorous, humorously illustrated answers to absurd hypothetical questions, by Randall Munroe.
The site presents deeply researched, physics-driven explanations for questions like “What if a baseball were pitched at near light speed?” Each entry balances rigorous science with deadpan humor and stick-figure art. It rewards repeated visits and appeals to anyone who enjoys playful but honest inquiry into the improbable.
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- language
- EN
- here since
- July 2026