When Maxwell calculated the electromagnetic wave speed from electrical and magnetic constants, he obtained approximately 300,000 km/second, which is identical to the measured speed of light, providing the first theoretical evidence that light is an electromagnetic wave.
factualpending
Evidence Quote
“out falls a speed about 300,000 km per second...It is the speed of light...here that same exact number just came tumbling out of two constants about electricity and magnetism.”
Created: 8/12/2026, 1:45:11 AM
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