Evolution of Barometers: From Torricelli to Modern Weather Forecasting

Explore the history of barometers starting from Evangelista Torricelli's invention of the mercury barometer in 1643 to modern advancements in weather forecasting using aneroid barometers. Learn about key figures, such as Blaise Pascal and Lucien Vidie, who contributed to our understanding of atmospheric pressure. Discover how barometers have revolutionized weather prediction and aviation safety.

• Barometers
• Torricelli
• Weather Forecasting
• Atmospheric Pressure
• Aneroid Barometer

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1. By: Paul Karkenny

2. 1643- Mercury barometer invented 1843- Aneroid barometer is invented 1648- Pascal performs his famous experiment

3. Born in 1608 German Physicist Invented first barometer Died in 1647

4. Invented by Evangelista Torricelli in 1643 Disproving tradition Why Mercury? Torricelli s barometer

5. In 1648, Pascal proves relationship between atmospheric pressure and altitude. In 1843, the French scientist Lucien Vidie invented the aneroid barometer.

6. Measures atmospheric air pressure Mercury Barometer

7. Aneroid Barometer

8. Weather forecasting Storm Chasers Pressure Maps Flying aircraft

9. "Aneroid Barometer." Your Guide to the Selection, Set Up and Enjoyment of Home Weather Stations. Web. 19 Nov. 2010. <http://www.home-weather-stations-guide.com/aneroid- barometer.html>. "Barometer Infoplease.com." Infoplease: Encyclopedia, Almanac, Atlas, Biographies, Dictionary, Thesaurus. Free Online Reference, Research & Homework Help. Infoplease.com. Web. 19 Nov. 2010. <http://www.infoplease.com/ce6/sci/A0806263.html>. "Evangelista Torricelli: The Invention of the Barometer." The Orchid Grower: A Juvenile Science Adventure Novel. Web. 19 Nov. 2010. <http://www.juliantrubin.com/bigten/torricellibarometer.ht ml>. "How Does a Barometer Work? How Aneroid and Torricellian Barometers Measure Air Pressure." Explain That Stuff! Science and Technology Made Simple. Web. 19 Nov. 2010. <http://www.explainthatstuff.com/barometers.html>.