Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT
posted by cybrbeast
1 decade 5 years 6 months 3 weeks ago • 17,350 views • 2:27
Top Videos of 2009
Created: 1 decade 5 years 2 weeks ago
Updated: 1 decade 5 years 2 weeks ago
Views: 12,850
Updated: 1 decade 5 years 2 weeks ago
Views: 12,850
These are the 100 videos that were submitted and received the most votes during the year of 2009.
Displaying 1 of the 100 videos in this playlist:
1 decade 5 years 6 months 3 weeks ago • 17,350 views • 2:27