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The hot comb was an invention developed in France as a way for women with coarse curly hair to achieve a fine straight look traditionally modeled by historical Egyptian women. [44] However, it was Annie Malone who first patented this tool, while her protégé and former worker, Madam C. J. Walker, widened the teeth. [45]
Curved into eyelike spheres, the material reflects X-rays and is packed into telescopes.These crustaceans have inspired other inventions as well, such as microchips and the Lobster Eye X-ray ...
Marie Curie (1867–1934), pioneering research into radioactivity. Women inventors have been historically rare in some geographic regions. For example, in the UK, only 33 of 4090 patents (less than 1%) issued between 1617 and 1816 named a female inventor. [1]
This list of African-American inventors and scientists documents many of the African-Americans who have invented a multitude of items or made discoveries in the course of their lives. These have ranged from practical everyday devices to applications and scientific discoveries in diverse fields, including physics, biology, math, and medicine.
Image credits: Adrian Willings #3 18 Year Old Inventor, H. Day, Wearing Headphones Attached To A Wireless Device Under His Top Hat, May 1922
Heron (c. 10–70), Roman Egypt – usually credited with invention of the aeolipile, although it may have been described a century earlier; John Herschel (1792–1871), UK – photographic fixer (hypo), actinometer; Harry Houdini (1874–1926) U.S. – flight time illusion; Heinrich Hertz (1857–1894), Germany – radio telegraphy ...
This is a list of inventions followed by name of the inventor (or whomever else it is named after). For other lists of eponyms (names derived from people) see Lists of etymologies . The list
Adele Goldstine was their teacher and trainer and they were known as the "ENIAC girls." [60] [61] The women who worked on ENIAC were warned that they would not be promoted into professional ratings which were only for men. [62] Designing the hardware was "men's work" and programming the software was "women's work."