25 Of The World’s Mind-blowing Women Inventors And Their Inventions

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Did you ever think about who invented the dishwasher, or who were the first people to write algorithms and make coding easier? They were all women inventors! Often when we talk about inventors, people like Thomas Edison or Alexander Graham Bell come to mind. But women inventors were equally amazing and without their ideas, the modern world would look really different.

Some of these inventions are really simple, like a flat-bottomed paper bag, but you really couldn’t imagine it any other way. And some of them have really changed people’s lives, like laser cataract surgery. Take a look at some of the things that you may not have known were invented by women.

1) Hedy Lamarr Invented Wireless Transmission

Hedy Lamarr was an actress, film producer, and inventor. During World War II, she thought of creating a frequency-hopping signal that could not be tracked or jammed when she found out that the radio-controlled torpedoes could be easily set off course. So she and her friend composer George Antheil started to work on the early version of spread-spectrum communication and patented it in 1942 (filed using her married name Hedy Kiesler Markey).

However, the US Navy was hesitant to implement any inventions coming from outside the military. But it was used later: an updated version was installed on Navy ships during the Cuban Missile Crisis in 1962. Today, various spread-spectrum techniques are incorporated into Bluetooth technology and are similar to methods used in legacy versions of Wi-Fi.

2) Marie Van Brittan Brown Invented The Home Security System

Marie Van Brittan Brown was a nurse and she is known for inventing the home security system. She lived in Queens and at the time, the crime rate was high and the police response was slow, so she didn’t feel safe at her home with her family. That is why she thought of a security system that would make her feel less vulnerable. Brown worked with her husband and attached a camera to the door which could be moved between a few peepholes to be able to see visitors of different heights.

The camera was connected to the television monitor, so they could see the visitor while sitting in their bedroom. They also installed a microphone to be able to talk to the person behind the door. Closed-circuit television was invented during World War II, but the Browns were first to use it for a home security system. They filed a patent in 1966, citing Marie as lead inventor. It was approved three years later.

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