thumb|A hemispherical-cup anemometer of the type invented in 1846 by Thomas Romney Robinson|John Thomas Romney Robinson
An anemometer is a device used to measure wind speed, with one common design featuring hemispherical cups that spin as the wind pushes them. This instrument matters because it provides accurate wind measurements that are essential for weather forecasting, aviation safety, and understanding atmospheric conditions.
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thumb|A hemispherical-cup anemometer of the type invented in 1846 by Thomas Romney Robinson|John Thomas Romney Robinson
In meteorology, an anemometer () is a device that measures wind speed and direction. It is a common instrument used in weather stations. The earliest known description of an anemometer was by Italian architect and author Leon Battista Alberti (1404–1472) in 1450.
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