Women have never been inferior to men, these are 4 great inventions that change the world

Referring to an inventor, most of us often think of an uncle who invented a useful item for life. However, women - half of this world, are not inferior to men. From first lady and philanthropist Eleanor Roosevelt to mathematician and actress Hedy Lamarr , who invented one of the most important advances in medicine and technology. How wonderful are those legendary women? Admittedly, the developed world like today also has no small merit of women. So let us show you the inventions that are used daily without your knowledge:

Vaccine to cure pertussis

Women have never been inferior to men, these are 4 great inventions that change the world Picture 1

As we know, pertussis is a contagious disease not only in children but also in adults. Of course, this disease has vaccines that help prevent it. But few people know that this whooping cough vaccine was invented by two women, Pearl Kendrick and Grace Eldering, under the sponsorship of former First Lady Eleanor Roosevelt in 1930.

Kevlar yarn

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During his time with DuPont in the 1960s, Stephanie Kwolek invented Kevlar - a material five times stronger than steel. Today, you can find Kevlar in tennis racquets or cell phones. Thanks to the rigidity, Kevlar fiber has become an important component of the armor. Ultra-durable materials that make up this armor are a discovery of " missile ". In 1966, when chemist Stephanie Kwolek created it in the synthesis of substances, she tried to create a lighter material for car tires.

Compile and computer programming language

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If you are a " fan " of the Internet ( even if you regularly surf it ) you must thank Grace Hopper. During his service at the US Navy, Admiral Hopper created the first programming language and was accompanied by a translator who could understand this language. This invention does not refer to COBOL ( a third generation programming language and one of the longest programming languages ​​still in use since the 1960s ), but also enlightens the language path. Other modern computers that we are using everyday.

Wireless signal transmission system

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Imagine you live in a world without Wi-Fi, you certainly won't know what the world is like right? In addition to being a beautiful actress on the screen, Ms. Hedy Lamar ( a famous actress at the time ) was also an inventor. Hedy Lamar learned technology from husband Fritz Mandel, a weapons dealer working for Nazi Germany. Later, she used that knowledge with composer George Antheil, invented a device to prevent radio interference for missile control devices.

Moreover, if in 1941, Hedy Lamarr did not invent " frequency change ", perhaps now " spectral spreading " technology was not present in this world. Therefore, this great invention idea created the basis for mobile phones, Bluetooth devices and wireless connections - a radio wave that always moves frequency makes them impossible to become. stop.

Refer to some more articles:

1. Top 10 "chance" science inventions that are great
2. The Germans will check elevator safety at the 246m high tower at a speed of 40mph / s in 2017
3. Folding Markies - the most comfortable camping "tent" today

Having fun!