I never knew that. Although when you think about it, if it was constantly rubbing on the flanges, they'd wear out in no time.
Feynman 'Fun to Imagine' 7: The Train
Wednesday, August 12, 2009
«Trains On Tracks»
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I love listening to Feynman. Such a brilliant guy, and such a great teacher. You want to know how quantum mechanics works, but you don't have the math background? Feynman will explain it.
ReplyDelete@ Nathaniel: Yeah, he's good at explaining things in simple terms.
ReplyDelete