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Richard Feynman - Stuff Worth Learning

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Grae
Grae

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Richard Feynman - Stuff Worth Learning
#1

It's been a little quiet on here lately… so if you have a few spare minutes I'll open a new rabbit hole worth falling into

 

Richard Feynman  (Nobel Laureate)

I'll start with this teaser

 

why trains stay on the tracks 2:36 minutes - - an excerpt from a BBC Horizon doc series Fun to Imagine

 

full series

 

This is fantastic and worth every one of the 78 minutes

Manhattan Project 

Los Alamos From Below

 

 


Posted 11 May 2019 - 09:00 PM

retired last week and I'm bored already!


spongy buffalo
spongy buffalo

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Richard Feynman - Stuff Worth Learning
#2

Kind of right about the train wheels, definitely partly wrong too. Trains squeal like ####s going round tight bends cos of the slippage, rails on tight bends wear out pretty quick from the flange friction too. Probably right on most of the straightish track around the place.
*i worked around trains for 20 years
Posted 11 May 2019 - 11:39 PM




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