[net.physics] Propagation of gravity

roy@gitpyr.UUCP (Roy J. Mongiovi) (12/15/84)

> One might ask whether the "fabric of space"  has  the  same  same
> properties as a piece of cloth, that is, if you pull on one edge,
> does the disturbance propagate or does it affect the entire sheet
> at once?

Actually, the distubance of pulling on one edge of a piece of cloth
DOES propagate through the cloth.  In fact, it propagates at precisely
the speed of sound through cloth.  After all, that is EXACTLY what
sound is:  a disturbance in a physical medium.
-- 
Roy J. Mongiovi.	Office of Computing Services.		User Services.
Georgia Institute of Technology.	Atlanta GA  30332.	(404) 894-6163
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