Comte de Buffon Recreating Heat Ray, 1740

Bildnummer 12626585
Comte de Buffon Recreating Heat Ray, 1740
Comte de Buffon burning mirrors experiment in Paris, France, 1740. Buffon (in hat, top of frame) had read of the defense of Syracuse, by the Greek mathematician Archimedes who had, supposedly, used mirrors and the Sun's rays to set fire to the attacking Roman fleet. Buffon used 168 mirrors, each measuring 6x9 inches, to successfully ignite wooden logs at a distance of165 feet. Georges Louis Leclerc, Comte de Buffon (September 7, 1707 - April 16, 1788) was a French naturalist, mathematician, cosmologist, and encyclopedic author. He epitomizes the revolutionary changes that the Enlightenment brought to the study of nature. 100 years before Darwin, Buffon published his Historie Naturelle (Natural History), a 44 volume encyclopedia describing everything known about the natural world, he wrestled with the similarities of humans and apes and even talked about common ancestry of Man and apes, but ultimately rejected the possibility of a common descent. His
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