"Gravitation is just the universe trying to straighten itself out" (E. Whittaker).
(Something of an inside joke. The gravitational Lagrangian in Einstein's theory to be used in the principle of stationary action [sometimes inaccurately called "least action"] is the curvature scalar of space-time.)
Shalom
George
http://web.raex.com/~gmurphy/
----- Original Message -----
From: George Cooper
To: asa@calvin.edu
Sent: Wednesday, June 11, 2008 10:53 AM
Subject: RE: [asa] Scientific Mysteries
Oh, I almost forgot.
Gravity, what is it?
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Received on Wed Jun 11 11:28:25 2008
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