View full lesson: http://ed.ted.com/lessons/how-to-unboil-an-egg-eleanor-nelsen
It’s so obvious that it’s practically proverbial: you can’t unboil an egg. But actually, it turns out that you can — sort of. Eleanor Nelsen explains the process by which mechanical energy can undo what thermal energy has done.
Lesson by Eleanor Nelsen, animation by Provincia Studio.