Now! High quality version at https://www.youtube.com/watch?v=P1ww1IXRfTA Physicist Richard Feynman talks about the imagination needed to deal with some of things science has found out about the world and the universe... 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/