christofire wrote:
Extrapolating, if an incompressible/inextensible rod or
string could be made, wouldn't that permit communication faster than the
speed of light?

Faster than light communications has already happened.
Entangled particles communicate with each other
instantaneously over any distance. Some say it
proves that reality is non-local but is being
projected from somewhere else. Question is: Who is
running the projector? :-)
--
73, Cecil, IEEE, OOTC, http://www.w5dxp.com