@PhysInHistory | followers
Hedy Lamarr, a famous Hollywood actress from the 1940s, was also a remarkable inventor. She co-invented a frequency-hopping system during World War II to prevent enemies from intercepting torpedoes. This invention laid the groundwork for today's Wi-Fi, GPS, and Bluetooth… https://t.co/KBbbZsaS18 https://t.co/YzK9fdJI7C

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