[ExI] Is this FTL Communication?

Will Steinberg steinberg.will at gmail.com
Mon Feb 22 02:19:16 UTC 2010

Imagine we build a very, very long, very, very solid rod.  One end of the
rod is located very, very far away.  Will pushing one one end of the rod
effect an immediate response on the other?  Or is this just a longitudinal
wave of nuclear forces propagating at <c?
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