What really keeps a train on its tracks? (2:27)
Richard Feynman explains. What I love about this clip is that it gets me wondering why I’ve never wondered about this before. And what else I should be wondering about. If that’s whetted your appetite, here’s some more Feynman goodness. (via kottke.org)
I’m embarassed that I never knew this
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3stacks
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wooliebear:davereed:justbrowsing:...What really keeps a train on its tracks? (2:27)
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ajamison
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poobah
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••••• Never even thought about it! But what a great solution to a problem —BP
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blaaargh
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anonanimal
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This is really interesting. This guy looks like he’s trembling in excitedness.
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inothernews
reblogged this from
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I. Love. Trivia. That isn’t trivial.
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wooliebear
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zaney-is-here
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wow, this is so simple yet never really understood. amazing (zaney)
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davereed
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(2:27) justbrowsing:...I’m embarassed
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justbrowsing
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