November 9th is International Inventor's Day. There are a few celebrations concerning inventors, and this one is held in Germany, Austria, and Switzerland in honour of actress and inventor Hedy Lamarr, born in 1914. Beyond being an incredible Hollywood actress, she is also considered one of the creators of WiFi technology. In 1942, she invented the frequency-hopped spread spectrum, which is the repeated switching of the carrier frequency during radio transmission to reduce interference and avoid interception. The day was designated by German inventors and entrepreneurs Gerhard Muthenthaler and Marijan Jordan to encourage people to believe in their ideas and honour forgotten inventors.
There are several picture book biographies about Hedy Lamarr. Our library has these two
This is a good day too, to encourage girls 'to invent things'.
See books on this Pinterest page Girls and Stem for ideas.
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