Richard Feynman: Fun to Imagine

Stretching, Pulling and Pushing (1x2)

Ημερομηνία προβολής: Ιούλ 15, 1983

Why do rubber bands stretch and contract? And why do two magnets feel as though there's something in between them when they repel each other? These are simple enough questions but, as Professor Feynman explains, the answers are surprisingly complicated.