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Doc Freemo 
If you are a lay person and dont understand physics but want to in a fun easy way without math, check this out. Feynman was a wonderful mind and great at explanations:
@ravichso His lectures are amazing i have them
@freemo 
the only books I retain from my B.Tech days like some sacred relics or heirlooms !
@freemo +1 ; you can do much worse than read ‘Surely you’re joking Mr Feynman ‘ . And if you have a basic background in physics & maths , reading his Feynman lectures on Physics will rekindle your interest and repay the time you spend many times over .