1870 in science
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1869 in science
1870 in science
1871 in science
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The year 1870 in science and technology included many events, some of which are listed below.
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Ecology
- Introduced rabbits reach the New South Wales border in Australia.
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Mathematics
- Felix Klein constructs a model for hyperbolic geometry establishing its self-consistency and the logical independence of Euclid's fifth postulate. (Note: Eugenio Beltrami had previously given such a model in 1868.)
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Medicine
- Louis Pasteur and Robert Koch establish the germ theory of disease.
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Meteorology
- November 1 - In the United States, the newly-created Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast: "High winds at Chicago and Milwaukee... and along the Lakes".
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Physics
- Rudolph Clausius proves the scalar virial theorem.
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Technology
- February 26 - In New York City, the first pneumatic-subway is opened.
- Collotype black and white photographic process invented.
- The Magic Lantern movie projector is invented by Henry R. Heyl.
- The stock ticker is invented by Thomas Alva Edison.
- First known use of weapons for the anti-aircraft role at Paris during the Franco-Prussian War.
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Awards
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Births
- March 17 - Horace Donisthorpe (d. 1951), British entomologist.
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Deaths
- Charles Xavier Thomas de Colmar, inventor of the first mass-produced calculator
