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What keeps a train on the track?

What keeps a train on the track?

(2:27) Physicist Richard Feynman explains how a train stays on the tracks. Not the answer you might expect.

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Guest: Max (3157 days ago)
and now...how honey comes from a bee's arse
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and now...how honey comes from a bee's arse
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Claudius Claudius (3157 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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I did not get it. But I don't speak English at all. Shaklamashak bash ga a aa lkera
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Guest: grmblzkf (3158 days ago)
ahhh, i could listen to this guy forever
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ahhh, i could listen to this guy forever
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Guest: demoninatutu (3158 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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Scientists of this calibre who can explain things with this clarity are few and far between. We need more.
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LogicIsPower LogicIsPower (3158 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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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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IID1E4 IID1E4 (3158 days ago)
cool.did'nt know that.
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cool.did'nt know that.
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NaturalBornWaiter NaturalBornWaiter (3155 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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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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Guest: anonymous coward (3157 days ago)
nope, that was exactly the answer that i expected
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nope, that was exactly the answer that i expected
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Guest: Mooky (3157 days ago)
Excellent vid. Nice clarity without being patronizing
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Excellent vid. Nice clarity without being patronizing
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