There are some self-evident ones, like Planck’s constant h, the speed of light c and the cryptic signs that represent planets in ancient (and modern) astronomy. For other symbols, part of the fun lies ...

Sixty Symbols is a great effort: A group of professional scientists of various stripes putting out short videos, each one tackling a different symbol in science. ∆F, -K, kg… each one is explained ...

(PhysOrg.com) -- It is the most famous scientific equation in history, framed by Einstein more than a century ago. But what does e=mc² actually stand for? And how does it explain the relationship ...

A final cosmic Valentine’s Day wish from the wonderful Sixty Symbols site: a video valentine. Check out the other videos at the Sixty Symbols site, too. The woman introducing the video is my friend ...