Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 14
Science & Medicine 37

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Ep. 287: E=mc^2

December 31st, 2012

Episode 321 of 460 episodes

It’s mind bending to think about this, but the light in your house, and the house itself are really the same thing. Matter and energy are interchangeable. This was the amazing revelation made by Albert Einstein, with his famous formula: E=mc^2. This is the process that the Sun uses to turn hydrogen into radiation through fusion, and the terrible damage from a nuclear weapon.