James Clerk Maxwell1862
Maxwell calculates that the speed of propagation of an electromagnetic field is approximately that of the speed of light
Great Britain · Science / Astronomy. Chronological records rendered directly from the World History Database.
Maxwell calculates that the speed of propagation of an electromagnetic field is approximately that of the speed of light
Publishes "A Dynamical Theory of the Electromagnetic Field", prposes that light was in fact undulations in the same medium that is the cause of electric and magnetic phenomena
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