TED-Ed

View full lesson: http://ed.ted.com/lessons/the-invisible-motion-of-still-objects-ran-tivony Many of the inanimate objects around you probably seem perfectly still. But look deep into the atomic structure of any of them, and you’ll see a world in constant flux — with stretching, contracting, springing, jittering, drifting atoms everywhere. Ran Tivony describes how and why molecular movement occurs and investigates if it might ever stop. Lesson by Ran Tivony, animation by Zedem Media.