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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.
This is a timeline of women in science, spanning from ancient history up to the 21st century. While the timeline primarily focuses on women involved with natural sciences such as astronomy, biology, chemistry and physics, it also includes women from the social sciences (e.g. sociology, psychology) and the formal sciences (e.g. mathematics ...
1949: Rosemary Brown (later Fowler), a student of C.F. Powell at the University of Bristol, discovers the k-meson in what Heisenberg calls "most beautiful" pictures of cosmic ray tracks from the Jungfraujoch (the 'k' track in Brown, R. et al. Nature, 163, 47 (1949). This discovery and the prior finding of a very similar particle in 1947 led to ...
Mar. 2—It may seem like a recent trend for more women to be entering STEM fields, but women have a long history of contributing to innovations in science, technology, engineering and mathematics.
In the US, in 1954, only 1.5% of patents named a woman, compared with 10.9% in 2002. [1] Women's inventions have historically been concentrated in some areas, such as chemistry and education, and rare in others, such as physics, and electrical and mechanical engineering. [1]
Chicago History Museum - Getty Images Leslee Udwin This former filmmaker is a human rights campaigner whose films include India's Daughter , which centered around the rape and murder of Jyoti Singh.
Timeline of women in warfare in Colonial America (1754–1783) Timeline of women in warfare in the United States before 1900 (1800s–1898) Women in warfare and the military in the 19th century; Timeline of notable women in World War I; Timeline of women in warfare in the United States from 1900 to 1949; Women in warfare and the military (1900 ...
These signals are funneled through the tubes and create images just like the lobsters’ eyes do. This invention may prove important in locating stolen or illegal goods. Image credits: Aoxue W.