Sam 'Half As Interesting' Denby actually did a surprisingly good job explaining
this for the average only-vaguely-technical viewer...
https://www.youtube.com/watch?v=K9gnRs33NOk
[ For all the bad dad jokes he tells on HAI, he's got really good research
skills/staff, and his long-form stuff on Wendover Productions is excellent ]
Cheers,
-- jra
--
Jay R. Ashworth Baylink jra@baylink.com
Designer The Things I Think RFC 2100
Ashworth & Associates http://www.bcp38.info 2000 Land Rover DII
St Petersburg FL USA BCP38: Ask For It By Name! +1 727 647 1274