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Hilbert's tenth problem is the tenth on the list of mathematical problems that the German mathematician David Hilbert posed in 1900. It is the challenge to provide a general algorithm which, for any given Diophantine equation (a polynomial equation with integer coefficients and a finite number of unknowns) can decide whether the equation has a ...
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]
1900: The first Zeppelin is designed by Theodor Kober. 1901: The first motorized cleaner using suction, a powered "vacuum cleaner", is patented independently by Hubert Cecil Booth and David T. Kenney. [455] 1903: The first successful gas turbine is invented by Ægidius Elling. 1903: Édouard Bénédictus invents laminated glass.
In the late 1800s and early 1900s, a new breed of women started to emerge from the depths of circus tents around the world: the strong-woman. These women quickly drew large crowds of circus lovers ...
1930 Man Ray Paris, France The photograph is an extreme close-up of a woman's upturned face with glass droplets placed on her cheeks to imitate tears. [s 1] [s 3] The Hague: 3 January 1930 Erich Salomon: The Hague, the Netherlands [s 2] Al Capone Mug Shot: 8 May 1930 Miami Police Department [40] Miami, United States [s 3] See article Behind the ...
1891 – A technique of unfreezing time in still images was invented by Claude Monet, who painted the same subject at many different times during the day, showing how it appeared differently largely due to the change in natural light. He painted the cathedral at Rouen at 40 different times of the day, and he painted the same haystack at 20 ...
1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack
The girls began acting strangely, leading the Puritan community to suspect that the girls were victims of witchcraft. The girls named three townswomen as witches – Tituba, Sarah Good, and Sarah Osbourne; Tituba confessed to having seen the devil and also stated that there was a coven of witches in the Salem Village area. The other two women ...