Among the developments are the periscope, the windshield wiper, the circular saw, the periscope, the dishwasher and WiFi. These are the top ten.
Women have played different important roles throughout history in different areas, despite constant underestimation under the moniker of «weaker sex».
In science and research -professions considered exclusively for men-, the girls also left their mark through numerous developments. Below, just a handful of them compiled by the Culturizing portal.
the astrolabe
It is a device that allows to determine the positions of the stars that was perfected by Hypatia of Alexandria, mathematician, physicist and philosopher who lived in the fourth century. Hypatia worked with her father, the astronomer Theon, to make corrections to Ptolemy’s Almagest and build the astrolabe we commonly know.
the circular saw
It was created by Tabitha Babbitt, who observed a man in a sawmill swinging a two-handled saw back and forth with great effort. Babbitt thought it was a waste of energy, and in 1810 he created the prototype of a circular saw, which later came to be used in the sawmill industry.
The modern champagne
The sparkling wine was not always the clear and appetizing drink of today due to the sediments that accumulated inside it. Nicole Clicquot In 1808, he developed the screening technique that allowed these particles to be expelled, a development that gave him the title of Grand Dame of Champagne.
the periscope
The device was patented in 1845 by Sarah Matherand thanks to it you can determine the distance and position of objects observed from a submarine.
The dishwasher
Josephine Cochrane created a machine that washed the dishes and didn’t hit them. This happened in 1886.
windshield wiper
Mary Anderson he invented the first device for the car in 1903. As the story goes, he felt sorry for a driver who had to stop constantly in the middle of a snowstorm to clean his windshield.
Then it occurred to him to design a rotating arm with a rubber sheet that the driver could activate through a lever.
the Wi-Fi
Hedy Lamarr became famous after starring in one of the first scenes of a sexual nature in the cinema. But this actress had other expectations and, in 1941, she patented a secret means of communication, which dynamically changed the broadcast frequency so that it was difficult for the enemy to intercept.
The bulletproof vest
Polish American Chemistry Stephanie Kwoleckcreated in 1965 the better-known polyparaphenylene terephthalamide Kevlar, a high-strength, gold-colored fiber that can be up to five times stronger than steel.
the silicone
Patricia Billings In 1970, he invented an indestructible additive that is also fire resistant.
waterproof diapers
Tired mother and housewife, Marion Donovanv in 1917 he sat down at a sewing machine with a shower curtain and, after several tries, created a waterproof diaper cover.
Related note: Physical activity modifies our brain. Read this.
Font: RFRD