Why Railroads Don't Need Expansion Joints
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14:53
Why Are Rails Shaped Like That?
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27:20
Why Don’t Railroads Need Expansion Joints?
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16:47
The Problem with Wind Energy
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19:38
Is the World Really Running Out of Sand?
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23:19
The One Tiny Law That Keeps Amtrak Terrible
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30:07
55 Times Mother Nature Got Angry on Camera
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27:12
¿Por Qué Los Ferrocarriles No Necesitan Juntas De Expansión?
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16:58