A seventh-grader student found a beautiful proof to Thales' Theorem (2002)(cut-the-knot.org)

113 points by samdung 2 years ago | 76 comments

How big are factorials?(eli.thegreenplace.net)

75 points by ibobev 1 month ago | 31 comments

The tensor product, demystified (2018)(math3ma.com)

85 points by RevoGen 3 years ago | 17 comments

Stepanov's biggest blunder? The curious case of adjacent difference(mmapped.blog)

66 points by signa11 1 year ago | 13 comments

More Whimsical OEIS Sequences(jeremykun.com)

47 points by surprisetalk 5 months ago | 9 comments

Notes on the Complex Roots of Unity(eli.thegreenplace.net)

28 points by sks_15 8 days ago | 5 comments

A blog post by Eli Bendersky explaining the roots of unity, starting from real-number roots and building up to complex roots.