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This page aims to list inventions and discoveries in which women played a major role. Objects List Object 1 - "Almond Water" Object 2 - “Level Keys” (Trimmed; Open for Rewrite) Object 3 - "Smiler Repellent" In revision, please wait for this file to update Object 4 - "Deuclidators" Object 5 - "Candy" Object 6 - "The Mirror" Object 7 - "Memory Jar" Object 8 - "Lamps" Object 9 - "Dumb Gum ...
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 ...
The concept of automated data processing had been born. In 1890, Herman Hollerith invented the mechanical tabulating machine, a design used during the 1890 Census which stored and processed demographic and statistical information on punched cards. [14] [15] 1890 Shredded wheat. Shredded wheat is a type of breakfast cereal made from whole wheat.
Nikolai Menshutkin discovers that a tertiary amine can be converted into a quaternary ammonium salt by reaction with an alkyl halide – the Menshutkin reaction. [4] [5]Emil Fischer establishes the stereochemistry and isomeric nature of the sugars by epimerization between gluconic and mannonic acids and synthesizes glucose, fructose and mannose from glycerol.
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]
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.
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.
In the nineteenth century, woman made up just 1% of all inventors who received United States patents. Unfortunately, little is known about most of these women, but Tracy is an exception. Tracy received much notoriety and fame for her innovations. So much so that many of her inventions received extensive public acclaim in Chicago newspapers.