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the integral that breaks Feynman's trick

How Divergence and Curl Were Discovered

Why are obtuse triangles more common?

A trick I have ignored for long enough...

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How to break Magic the Gathering.

This trick from Euler was ingenious

How Newton Calculated Pi in a Single Afternoon

Russell's Paradox - a simple explanation of a profound problem

Why Impressive-Mud5074 Doesn’t Believe in Pi

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Researchers thought this was a bug (Borwein integrals)

e to the pi i for dummies

A very tricky interview question: the rectangle in a triangle problem

The Insane Genius of a Formula 1 Gearbox

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the famous goat problem

Palindrome Ages - Numberphile

a crazy iterated limit.

