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Re: 15 Best Inventions Of Earlier Women That Changed The World

Posted: Mon Sep 05, 2016 5:51 pm
by shahrukh
13. Astrolabe

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The astrolabe is a very ancient astronomical computer for solving problems relating to time and the position of the Sun and stars in the sky. It was invented by a female scientist, philosopher, astronomer and mathematician Hypatia of Alexandria in 370 BC.

14. Body Armor

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In 1965, Dr. Stephanie Kwolek invented Kevlar, a synthetic material that is five times stronger than steel. Her invention saved the lives of thousands of police, fire and military. Kevlar has become the basis for bulletproof vests.