beautiful inventor whose frequency-hopping idea serves as a basis for modern spread-spectrum communication technology, such as Bluetooth, COFDM used in Wi-Fi network connections, and CDMA used in some cordless and wireless telephones.
In American inventor Margaret Knight patented a machine for making flat-bottomed paper bags -- the same kind we use today. She started her inventing career at age when she designed a device to help prevent injuries in textile mills.
Stephanie Kwolek is the research scientist who invented Kevlar in the material so strong it can stop a bullet. It currently helps protect our Troops as they protect us. Interesting to think men invented guns and a woman invented bulletproof material.
American mother Marion Donovan invented the first externally waterproof diaper (called the "Boater") in the late Before that, whenever a child soiled a diaper, the surrounding clothes and bedsheets often became wet as well.
Lillian Moller Gilbrethfpgilbreth. La llaman la “Reina de la ergonomía”. Fue la inventora de varios electrodomésticos y artículos que hoy en día son indispensables para los hogares. Algunos de los más destacados han sido el refrigerador con estantes, el bote de basura con pedal y la batidora eléctrica.
Josephine Cochrane invented the dishwasher. She'd been angry that hired domestic help continually broke and chipped her fine china. Cochrane's dishwasher used high water pressure aimed at a wire rack of dishes, she received a patent for it in
Murió la inventora del material que se usa en chalecos antibalas
The chemist Stephanie Kwolek invented the super-strong Kevlar fibre, used to make bulletproof vests. Kwolek’s invention is five times stronger than steel, and also has about 200 other Inventions By Women That Changed The World)