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Old 09-May-2008, 04:50 PM
grant hutchison grant hutchison is online now
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Quote:
Originally Posted by ravens_cry View Post
Ok, I got that wrong, but it still doesn't invalidate my point. If you spun the hub/spindle/center of the centrifuge near lightspeed, then the pod at the end would be going faster in linear velocity.
Even neglecting the problem with materials science cited by NEOWatcher, it would take infinite energy to get any part of the centrifuge up to lightspeed. So it's impossible to spin the region near the hub up to any speed that requires the rim to hit lightspeed.

Grant Hutchison
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