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Arts & Entertainment, BBC, Cars & Transport, Homepage: Science & Technology, People, Physics, Railways, Richard Feynman, Science, Science & Technology, Scientists, Trains, Wheels, Politics & Society, Travel, Transport & Places, Know something about this post? Email us |
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What keeps a train on the track?|
Guest: grmblzkf
(1424 days ago)
ahhh, i could listen to this guy forever
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Guest: Max
(1423 days ago)
and now...how honey comes from a bee's arse
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LogicIsPower
(1424 days ago)An instructor of mine once told me " A day in which you learn nothing is a wasted day" well i learned something today:)
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Guest: Mooky
(1423 days ago)
Excellent vid. Nice clarity without being patronizing
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NaturalBornWaiter
(1421 days ago)Latest comment: I guess that's why you often hear train wheels squealing at a railway station - the train is moving too slowly to slide out on the track if going around a gentle curve or crossing points, therefore the flanges touch the rail creating that familiar squealing.
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IID1E4
(1424 days ago)cool.did'nt know that.
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Claudius
(1422 days ago)I did not get it. But I don't speak English at all. Shaklamashak bash ga a aa lkera
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Guest: anonymous coward
(1423 days ago)
nope, that was exactly the answer that i expected
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Guest: demoninatutu
(1423 days ago)
Scientists of this calibre who can explain things with this clarity are few and far between. We need more.
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