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by wombatmobile
2070 days ago
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Hedy Lamarr developed frequency-hopping, the forerunner of spread-spectrum communications used in WiFi, GPS, and Bluetooth, to control torpedoes in a way that avoided jamming by the Nazis, from her understanding of George Antheil's symphonic use of pianola rolls to synchronise multiple player pianos. https://www.wired.com/2011/08/0811hedy-lamar-george-antheil-... |
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