inothernews:wooliebear:davereed:justbrowsing:

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)

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4. 3stacks reblogged this from inothernews and added:

   wooliebear:davereed:justbrowsing:...What really keeps a train on its tracks? (2:27)

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   ••••• Never even thought about it! But what a great solution to a problem —BP

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13. anonanimal reblogged this from inothernews and added:

    This is really interesting. This guy looks like he’s trembling in excitedness.

14. inothernews reblogged this from wooliebear and added:

    I. Love. Trivia. That isn’t trivial.

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17. zaney-is-here reblogged this from davereed and added:

    wow, this is so simple yet never really understood. amazing (zaney)

18. davereed reblogged this from justbrowsing and added:

    (2:27) justbrowsing:...I’m embarassed

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