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December 9 – Joseph Needham (died 1995), English biochemist and writer on the history of science and technology in China. December 12 – Mária Telkes (died 1995), Hungarian-American scientist and inventor. December 17 – Mary Cartwright (died 1998), English mathematician, one of the first people to analyze a dynamical system with chaos. [18]
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 dates listed in this section refer to the earliest evidence of an invention found and dated by archaeologists (or in a few cases, suggested by indirect evidence). Dates are often approximate and change as more research is done, reported and seen. Older examples of any given technology are often found.
The 1900s (pronounced ... Science and technology. Science During ... While the date of invention was reportedly November 24, 1904, Holt would not receive a patent ...
Meanwhile, Greece and its colonies have entered the Roman period in the last few decades of the preceding millennium, and Greek science is negatively impacted by the Fall of the Western Roman Empire and the economic decline that follows. 1st to 4th century: A precursor to long division, known as "galley division" is developed at some point.
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Pages in category "1900 in science" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...
January 26 – German inventor Karl Ferdinand Braun (who will in 1909 share the Nobel Prize in Physics with Marconi) receives British Patent No. 1899-1862 for his wireless radio invention "Telegraphy without directly connected wire". [15] February 14 – Voting machines are approved by the U.S. Congress for use in federal elections.