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[1] [failed verification] In 1820 Bellani invented a device for measuring evaporation that was called an atmometer. [3] Modified versions of the Bellani plate evaporimeter are still in use. [4] He invented a hygrometer using a fish bladder in 1836. Another innovation was his pyranometer to measure solar radiation which was a closed glass ...
A hygrometer is an instrument which measures the humidity of air or some other gas: that is, how much of it is water vapor. [1] Humidity measurement instruments usually rely on measurements of some other quantities, such as temperature, pressure, mass, and mechanical or electrical changes in a substance as moisture is absorbed.
Although "the Weather friar" has been sometimes wrongly cited as the oldest hygrometer-meteorologist in the world, [1] [3] there is a similar hygrometer, with the shape of a Capuchin friar as well, from the late 18th century, in the Museum of Arts and Crafts in Paris, built by Charles Alexandre Clair and belonging to the physics office of Jacques Charles, who would bequeath his collection of ...
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
Weather stations typically have these following instruments: . Thermometer for measuring air and sea surface temperature; Barometer for measuring atmospheric pressure; Hygrometer for measuring humidity
There are 7 base units and 22 derived units [1] (excluding compound units). These units are used both in science and in commerce. Two of the base SI units and 17 of the derived units are named after scientists. [2] 28 non-SI units are named after scientists. By this convention, their names are immortalised.
He published on his personal domain, "Fourmi Lab", designed to be a play on Fermilab and Fourmi, French for “ant”, one of his early interests. [15] On his Web site, Walker published about his personal projects, including a hardware random number generator called HotBits, along with software that he wrote and freely distributed, such as his Earth and Moon viewer.
Aldis lamp – Arthur Cyril Webb Aldis [1] Aldrin – Kurt Alder [2] Alexanderson alternator – Ernst Alexanderson; Algorithm – Muḥammad ibn Mūsā al-Khwārizmī [3] Anderson shelter – John Anderson, 1st Viscount Waverley [4] Anderton Shearer Loader – James Anderton [5] Appertization – Nicolas Appert; Archimedes' screw – Archimedes