The great American physicist and Nobel laureate 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/

New! See also Feynman MAGNETS EXTRA on YouTube http://www.youtube.com/watch?v=IdA-l_Lnp2E Here, physicist and Nobel laureate 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…