Feynman does a pretty great laymen explanation in part 6 of his "Character of Physical Law" lecture series: https://www.youtube.com/watch?v=x5RQ3QF9GGI https://

Feynman does a pretty great laymen explanation in part 6 of his "Character of Physical Law" lecture series: https://www.youtube.com/watch?v=x5RQ3QF9GGI https://www.youtube.com/watch?v=x5RQ3QF9GGI And goes into greater depth in the Douglas Robb Memorial Lectures series: http://vega.org.uk/video/subseries/8 http://vega.org.uk/video/subseries/8 If you want to go all the way down the rabbit hole there's an exhaustive list of Feynman videos here :) http://www.richard-feynman.net/videos.htm http://www.richard-feynman.net/videos.htm