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Can you imagine a world without WIFI?

Read more about WIFI here.

Read the article on Hedy Lamarr here

Interesting fact: Hedy Lamarr’s greatest scientific triumph was intended for the US navy during the second world war, but is now used in modern wireless communication. Her “secret communication system” used “frequency hopping” to guide radio-controlled missiles underwater in a way that was undetectable by the enemy.