Dec 14, 2018
6:09 AM


[Entertainment]: What 1940's Hollywood actress invented something essential to modern-day technology?

Hedy Lamarr - who came up with the concept of "Spread Spectrum" (now used in cellphones, wireless Internet connections, and hand-held phones) during the second World War.

A Hollywood knock-out, Hedy invented it while she was married to her first husband, Fritz Mandl - an armament manufacturer for the Nazis. In 1942, she left him and patented the scheme under the name "Secret Communication System" for sending secure messages to avoid detection. It used, of all things, piano paper rolls to encode the messages.

Initially, no one thought this invention was practical, but today it is used in a wide variety of products.

(If you think her name is "Hedley", you've been watching Blazing Saddles too much.)

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