Jules Antoine Lissajous
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Jules Antoine Lissajous | |
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File:Jules Antoine Lissajous.jpeg
Jules Antoine Lissajous, date and photographer unknown
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Born | Versailles, France |
March 4, 1822
Died | Script error: The function "death_date_and_age" does not exist. Plombières-les-Bains, France |
Residence | France |
Fields | Mathematics |
Known for | Lissajous figures |
Jules Antoine Lissajous (French pronunciation: [ʒyl ɑ̃twan lisaʒu]) (March 4, 1822, Versailles – June 24, 1880, Plombières-les-Bains) was a French physicist, after whom Lissajous figures are named. Among other innovations, Lissajous invented the Lissajous apparatus, a device that creates the figures that bear his name. In it, a beam of light is bounced off a mirror attached to a vibrating tuning fork, and then reflected off a second mirror attached to a perpendicularly oriented vibrating tuning fork (usually of a different pitch, creating a specific harmonic interval), onto a wall, resulting in a Lissajous figure. This led to the invention of other apparatus such as the harmonograph.
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