Eventos
Iraqi scientist Ibn Wahshiyya translated Nabatean Agriculture, which used atmospheric changes, lunar phases and wind to predict rain.Leonardo da Vinci built the first basic hygrometer to measure the humidity of airThe well-known Italian physicist Galileo Galilei was the first to notice that the density of a liquid changes in proportion to its temperature.Italian physicist Evangelista Torricelli invents the barometer to measure atmospheric pressure.Ole Christensen Rømer transformed the thermoscope into a thermometer by adding a temperature scaleInvention of telegraph led to modern age of weather forecasting.The Smithsonian Institution in the United States established an observation network by supplying weather instruments to telegraph companies. The Smithsonian collected the observations from 150 volunteers and created weather maps.The United States established a national weather service within the Signal Service.The United States transferred weather observations and forecasting from the Signal Service to the Department of Agriculture. The civilian-based U.S. Weather Bureau was born.
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