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Re: [Phys-l] Teaching Special Relativity



This mass energy equivalency idea is so clearly evoked here that one immediately recalls the magnetic and electric field equivalency as viewed through the prism of relative velocity.

Brian W

Moses Fayngold wrote:
________________________________
"carmelo@pacific.net.sg" <carmelo@pacific.net.sg> (Alphonsus) wrote onSunday, July 5, 2009 10:03:43 AM:

">>You may want to include Frank Wilczek's insight (See Below). That is, mass of proton’s mass comes from the relavististic masses of the quarks and gluons. :-)

Frank Wilczek's Happy 100th Birthday, Special Relativity"


Yes, and one can also find this discussion in Wilczek's pieces "Mass without mass I, II" in Physics Today(Nov. 1999 and Jan 2000)
In the closing remarks of the second one he writes:

"Most of the mass of ordinary matter, for sure, is the pure energy of moving quarks and gluons."

(Phys. Today, Jan 2000, p. 14)

Moses Fayngold,
NJIT