Conterintuitive facts in mathematics, CS, and physics
> 16. If you let a 100g strawberry that is 99% water by mass dehydrate such that the water now accounts for 98% of the total mass then its new mass is 50g: <a href="https://en.wikipedia.org/wiki/Potato_paradox" rel="nofollow">https://en.wikipedia.org/wiki/Potato_paradox</a><p>I really like this one. It's a perfect combo of intuitive from one perspective and mind bending from another.<p>> 18. A one-in-billion event will happen 8 times a month: <a href="https://gwern.net/Littlewood" rel="nofollow">https://gwern.net/Littlewood</a><p>This one, on the other hand, I don't like. Depending on a whole bunch of subjective definitions, a one-in-billion event can happen a million times a second or practically never or whatever else you choose.