[ExI] Is this FTL Communication?

[Will Steinberg]

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?
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.extropy.org/pipermail/extropy-chat/attachments/20100221/56cbf65d/attachment.html>