I remember being tormented by this as a kid (my dad explained it with a bicycle wheel): http://i.imgur.com/3lsRs.jpg
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@warrenm Taught this to a friend some years ago, and he immediately asked me, then why can't we use this to go faster than light? Bastard.
@scott_bot The scissors paradox becomes even freakier if you imagine a wheel with a point near the hub moving at c.
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@warrenm@scott_bot outside of disk has higher moment of inertia. to accel inside to ~c, you spend extra energy just for outside to keep up -
@cgs1019
@scott_bot I was positing an infinite jerk to reach the necessary acceleration. Not sure what happens in the absence of Kanye West. -
@warrenm@scott_bot oh...oh that's good -
@warrenm@scott_bot when the jerk gets too much it loses its edge
End of conversation
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