(Youtube) Einstein’s Proof of E=mc²

Uploaded by minutephysics on Mar 29, 2012

Ever wonder how Einstein proved E=mc²? This is how.

**Pi day (3.14) is Albert Einstein’s Birthday! To celebrate, we’ll explain 4 of his most groundbreaking papers from 1905, when he was just 26 years old.**

Also see **What Is The Most Astounding Fact In The Universe?, Was Einstein Wrong?, How Come Math Works?, Does Breastfeeding Make You More Intelligent? **and Does Electricity Make You Smarter?