Johann Sebastian Bach in a portrait by Elias Gottlob Haussmann

Happy Birthday, Well-Tempered Clavier

Bach’s most influential pedagogical work turns 300 this year. But what’s so “well-tempered” about this clavier, and what’s a “clavier,” anyway?
The number 2

The Quantum Random Number Generator

It’s real. And it will use quantum entanglement to generate true mathematical randomness. Here’s why that matters.
Plimpton 322, Babylonian tablet listing pythagorean triples

The Advanced Mathematics of the Babylonians

The Babylonians knew their mathematics thousands of years before the Europeans.