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Re: Order of magnitude

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>A Summit Extra Pale sounds good - You only go around once on the list !
Actually this whole exercise illustrates the term order of magnitude 
pretty well, I think: For big earthquakes, you can get an order of 
magnitude estimate of the energy release in kilotons of TNT from the 
Richter scale. Not a lot of scientific precision, but who needs 
scientific precision when you're tipping one after work.

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)