Bhartrhari's Paradox(futilitycloset.com)

38 points by surprisetalk 1 month ago | 51 comments

Mementos(futilitycloset.com)

6 points by surprisetalk 1 year ago | 1 comments

Rivers(futilitycloset.com)

57 points by surprisetalk 1 year ago | 5 comments

A visual proof that a^2 – b^2 = (a + b)(a – b)(futilitycloset.com)

634 points by beardyw 1 year ago | 174 comments

A Futility Closet blog post showing a diagrammatic visual proof that a² − b² = (a + b)(a − b), with a Sophie Germain quote.

Albert Einstein in 1939 composed a message for the people of AD 6939(futilitycloset.com)

231 points by beardyw 3 years ago | 254 comments

The Sylvester–Gallai Theorem(futilitycloset.com)

30 points by surprisetalk 2 months ago | 29 comments