HackerTube

cycle paths

2000s×Explainer×Play all on YouTube
No strong matches for “cycle paths”. Here are the closest videos.
Feynman: How the train stays on the track  FUN TO IMAGINE 72:27

Feynman: How the train stays on the track FUN TO IMAGINE 7

820K views • 18 years ago
Christopher Sykes
A short clip from the 1983 BBC series Fun to Imagine in which Richard Feynman explains how a train stays on the track. He covers the geometry of tapered wheels that steer the train back toward the center of the rails.