If we know the electric field, then the … passes per square meter per second through a … [p. 32-3] Now the fact that an oscillator loses … spring (or an electron in an atom) which … , and we start it oscillating and let … miles from anything. There is no oil, no … might once have said, "forever," because if it … [p. 32-4] the time it takes for the energy … [an isolated, light frequency] … 10^-8 sec.
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