Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
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A proof that the square root of two is irrational
The #1 Rule Experts Say to Follow When You Forget Wet Clothes in the Washer Watch a camera capture its own demise while ...
[MindYourDecisions] presents a Babylonian tablet dating back to around 1800 BC that shows that the hypotenuse of a unit square is the square root of two or 1.41421. How did they know that? We don’t ...
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