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At 20:06 -0500 12/21/01, Larry Cartwright wrote:
Well, I've always assumed that a substance is a collection of elementary
particles such as quarks, leptons and bosons. But now I think I'm being
Maybe we could just define gravitational mass as whatever it is that
causes gravitational fields, and charge as whatever it is that causes
electromagnetic fields, and then we could argue about what fields are.
Hugh
--
Hugh Haskell
<mailto://haskell@ncssm.edu>
<mailto://hhaskell@mindspring.com>
(919) 467-7610
Let's face it. People use a Mac because they want to, Windows because they
have to..
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