Lamarr’s earliest inventions include an improved traffic stoplight and a tablet that would dissolve in water to create a carbonated beverage. The beverage was less than successful; Lamarr herself claimed it tasted like Alka-Seltzer.
Frequency-hopping spread-spectrum invention
Main article: Frequency-hopping spread spectrum
Lamarr’s reputation as an inventor is based on her co-creation of a frequency-hopping system with George Antheil, an avant garde composer and neighbor of Lamarr in California. During World War II, Lamarr was inspired to contribute to the war effort, and focused her efforts on countering torpedoes. In her home, explains author Richard Rhodes during an interview on CBS, she devoted a room to drafting her designs for frequency-hopping.
Lamarr and Antheil discussed the fact that radio-controlled torpedoes, while important in the naval war, could…
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