Who was Hedy Lamarr? Who was Mary Anderson? What did they invent that contributes to modern times?

Hollywood actress Hedy Lamarr, “the Angelina Jolie of her day,” was also an avid inventor and the person behind advances in communication technology in the 1940s that led to today's Wi-Fi, GPS, and Bluetooth.

Alabama native Mary Anderson (1866-1953) is credited with inventing the first operational windshield wiper. In her 1903 patent, she called her invention a window cleaning device for electric cars and other vehicles. ... Anderson left home in 1893 at age 27 to operate a cattle ranch and vineyard in Fresno, California.

well let's see i know a little about the fall of the roman empore but what to say i do not have a clue of what to say. (that's 28 words) i learned about it in social studies it was quite boring really my teacher talks a lot, like a lot then gives us a bunch of work sheets not too many though.( that's 60 words)i actually almost fell asleep in class of course i really like that teacher of course she is really nice. i actually don't remember much from that class i got a b without any notes (it was an open notes test)(that's 95 words) i'm wasting time but i've gone too far to stop now i'm sorry i haven't said really any thing on the topic at all sorry not sorry haha jk.(that's 125 words ) (mike drop)

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is slave