Feynman 'Fun to Imagine' 4: Magnets (and 'Why?' questions...)

Physicist Richard Feynman explains to a non-scientist just how difficult it is to answer certain questions in lay terms! A classic example of Feynman's clarity of thought, powers of explanation and intellectual honesty - and his refusal to 'cheat' with misleading analogies...
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/