7 Things Invented By Women
Wi-Fi, GPS, and Bluetooth:
Hedy Lamarr, an actress` WWII tech "frequency hopping" which was made to evade torpedoes, became the base of today`s Wi-Fi, GPS, and Bluetooth.
Home Security System:
Marie Van Brittan Brown invented a CCTV security system in 1966. Her system included a camera that could slide between peepholes and a two-way microphone.
Windshield Wipers:
Mary Anderson invented the first effective windshield wipers in 1903. Her simple design, operated from inside the car, greatly improved driving safety.
Kevlar:
Stephanie Kwolek invented Kevlar, a synthetic fiber that`s five times stronger than steel. It`s used in bulletproof vests, tires, and many other applications.
The modern dishwasher:
Josephine Cochrane invented the first dishwasher that used water pressure instead of scrubbers. She then established a business that later became KitchenAid.
The first computer compiler:
Grace Hopper was a computer scientist who invented the first computer compiler. This was a program that translated written language into computer code.
The life raft:
Maria Beasely invented an improved life raft design in 1882. She also invented a machine for making barrels.