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Re: [Phys-L] How Einstein discovered E = mc2

on11/20/20146:50 PM John Decker wrote:

E=mc^2 is not the miracle, or even a miracle.
Spacetime geometry and trigonometry is where the action is.

It's the discovery of rest energy that's of historical and scientific significance. Whether you write it as the norm of the energy-momentum 4-vector or as mc^2, it's still a celebration of that great discovery by Einstein.