Hedy Lamarr, famous for her acting career in Hollywood, was also a brilliant inventor. During World War II, she co-invented a frequency-hopping spread spectrum technology to prevent the interception of radio waves, particularly for torpedoes. Her invention laid the groundwork for modern wireless communications, including secure Wi-Fi, GPS, and Bluetooth technologies. Yet, for decades, her contributions to science and technology were overshadowed by her on-screen persona.
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