April 2, 1845: Photographing the Sun, Measuring Speed of Light

A couple of French physicists are the first to try their hand at photographing the sun. After that, they devise methods for measuring the speed of light.

Source: http://www.wired.com/thisdayintech/2012/04/april-2-1845-photographing-the-sun-measuring-speed-of-light/

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