Physicist Richard Feynman thinks aloud about atoms and how they jiggle, and how we perceive that jiggling as 'hot' and 'cold'. From the BBC TV series 'Fun to Imagine'(1983). You can now watch higher quality versions of some of these episodes at www.bbc.co.uk/archive/feynman/
Video Rating: 4 / 5

Follow us on www.facebook.com The winning idea of the fun theory award, submitted by Kevin Richardson, USA. Can we get more people to obey the speed limit by making it fun to do? This was the question Kevin's idea answered and it was so good that Volkswagen, together with The Swedish National Society for Road Safety, actually made this innovative idea a reality in Stockholm, Sweden.
Video Rating: 4 / 5