You can thank 1940s sex symbol Hedy Lamarr for today's Wi-Fi and Bluetooth devices

Everytime you use your cellphone, Wi-Fi or a Bluetooth headset, you might have actress Hedy Lamarr to thank.

Lamarr, born Hedwig Eva Maria Kiesler in Vienna in 1913, starred in basic movies equivalent to “Samson and Delilah” (1949), “Growth City” (1940), “The Conspirators” (1944) and the Czechoslovakian movie “Ecstasy” (1933).

However Lamarr’s biggest long-term contribution to society was not as an actress however as an inventor. She and composer George Antheil co-invented early methods for spread-spectrum communications and frequency hopping, applied sciences that had been used for army communication for many years and which now type the core of a lot of right now’s hottest wi-fi units.

The story of Lamarr, who had been keenly concerned about science as a toddler, is detailed within the guide “Hedy’s Folly” by Richard Rhodes.

Lamarr noticed the hazard of the rise of the Nazi occasion whereas married to her first husband, Austrian arms producer Friedrich Mandle, within the 1930s. She escaped that marriage and moved to California the place she turned a Hollywood star and started her follow of inventing issues through the lengthy wait between photographs.

An ingenious passion

“Hedy invented as a passion,” Rhodes writes in his guide. “Since she made two or three motion pictures a 12 months, each taking a month to shoot, she had spare time to fill. She did not drink and he or she did not wish to occasion, so she took up inventing.” She arrange a drafting desk to type an “inventor’s nook” in her Hollywood residence. Amongst her many tasks was an improved stoplight, according to NPR.

This artistic inspiration was well-timed — it dovetailed with the launch of the Nationwide Inventors Council, a spot to collect novel concepts and innovations from most of the people, in line with Innovations.org.

Few of her concepts moved to fruition, however in 1940, the sinking of a cruise ship by Nazi U-boats impressed her to motion. She got here up with the concept of a radio sign that may “hop round from radio frequency to radio frequency,” which might forestall it from being jammed, permitting torpedoes to be safely guided by radio from close by airplanes, Rhodes instructed NPR.

Lamarr and Antheil labored on their concept for a number of months after which, in December 1940, despatched an outline of it to the inventors council. They had been granted a patent for their “secret communication system” on Aug. 11, 1942. They gave the patent for gratis to the U.S. Navy, however the army sat on the concept and didn’t implement it till the 1960s, lengthy after the patent had expired.

The key communication system was not Lamarr’s solely contribution to the struggle effort. She additionally raised greater than $25 million by selling the sale of struggle bonds.

Lamarr and Antheil by no means profited from the invention, but it surely went on to change into the core expertise behind Wi-Fi networks and CDMA, or Code Division A number of Entry, cellphones. “The entire system unfold like wildfire,” Rhodes instructed NPR. “Essentially the most well-known software right now is Bluetooth.” All of the whereas, the general public has remained just about unaware of her contribution.

The Digital Frontier Basis gave Lamarr its Pioneer Award in 1997 for her function in creating spread-spectrum expertise. The actress died in Florida in 2000.

A restricted TV sequence based mostly on Lamarr’s life and profession is rumored to be within the works. Variety reports that “Marvel Lady” actress Gal Gadot is near signing a take care of Showtime to painting Lamarr.

Editor’s word: This text has been up to date because it was initially revealed in November 2011.

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