Reflecting on Feynman fun

Why does a mirror swap your left and right, but not your top and bottom? The late, great Dick Feynman explains why it’s obvious, really:

But, he also ends with another teaser: what keeps a train on the track?

Author: 雷竞技官网

Award-winning freelance science writer, author of Deceived Wisdom. Sharp-shooting photographer and wannabe rockstar.