Experiment to find the Speed of Light

Updated: Oct 15, 2020

In Primary school, you may have done experiments to discover the speed of sound by bouncing off a loud sound against a faraway wall.

Have you ever tried measuring the speed of light, then? How would one go about measuring something purportedly capable to circling around the Earth six and a half times a second?

Professor of Physics Neil Johnson demonstrates the scientific method of finding the speed of light.

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