Now! High quality version at https://www.youtube.com/watch?v=P1ww1IXRfTA Physicist Richard Feynman thinks more about the 'jiggling' of atoms, and about rubber bands and how they 'work'... 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/