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4 days ago · Louis Pasteur. Louis Pasteur ForMemRS ( / ˈluːi pæˈstɜːr /, French: [lwi pastœʁ]; 27 December 1822 – 28 September 1895) was a French chemist, pharmacist, and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization, the last of which was named after him.
May 10, 2024 · Valerie Thomas (born February 8, 1943, Baltimore, Maryland, U.S.) is an American scientist and inventor who, while working at the National Aeronautics and Space Administration (NASA), invented a way to transmit three-dimensional images, or holograms, that appear to be real. In addition, she helped to develop processing software to convert ...
May 16, 2024 · Democritus (born c. 460 bce —died c. 370) was an ancient Greek philosopher, a central figure in the development of philosophical atomism and of the atomic theory of the universe. Knowledge of Democritus’s life is largely limited to untrustworthy tradition. It seems that he was a wealthy citizen of Abdera, in Thrace; that he traveled widely ...
May 23, 2024 · Democritus believed that the soul was composed of fine, smooth, and spherical atoms. In addition to his atomic theory, Democritus also proposed that the soul, which he believed to be the source of human consciousness, was made up of special atoms. He described these atoms as fine, smooth, and spherical.
May 9, 2024 · Mary Jackson (born April 9, 1921, Hampton, Virginia, U.S.—died February 11, 2005, Hampton) was an American mathematician and aerospace engineer who in 1958 became the first African American female engineer to work at the National Aeronautics and Space Administration (NASA). She was born and raised in Hampton, Virginia.
May 10, 2024 · environmental science, interdisciplinary academic field that draws on ecology, geology, meteorology, biology, chemistry, engineering, and physics to study environmental problems and human impacts on the environment. Environmental science is a quantitative discipline with both applied and theoretical aspects and has been influential in informing ...
1 day ago · Whig. Signature. Sir Isaac Newton FRS (25 December 1642 – 20 March 1726/27 [a]) was an English polymath active as a mathematician, physicist, astronomer, alchemist, theologian, and author who was described in his time as a natural philosopher. [7] He was a key figure in the Scientific Revolution and the Enlightenment that followed.
