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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 ...
1930: Concepción Mendizábal Mendoza became the first woman in Mexico to earn a civil engineering degree. [186] 1932: Michiyo Tsujimura became the first Japanese woman to earn a doctorate in agriculture. She studied at the Tokyo Imperial University, and her doctoral thesis was entitled "On the Chemical Components of Green Tea". [187]
Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...
Elise Forrest Harleston (February 8, 1891 – 1970) was an early African-American photographer who set up a studio in Charleston, South Carolina, in 1922 that lasted into the early 1930s. Ruth Matilda Anderson (1893 – 1983), a graduate of the Clarence H. White School of Photography , starts taking more than 14.000 documentary photographs of ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
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]
Although the terms engineer and engineering date from the Middle Ages, they acquired their current meaning and usage only recently in the nineteenth century. Briefly, an engineer is one who uses the principles of engineering – namely acquiring and applying scientific, mathematical, economic, social, and practical knowledge – in order to design and build structures, machines, devices ...
The inventions of the typewriter, telephone, and new filing systems offered middle-class women increased employment opportunities. [60] [61] So too did the rapid expansion of the school system, [62] and the emergence of the new profession of nursing. Education and status led to demands for female roles in the rapidly expanding world of sports. [63]