thermometer

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Mercury thermometer

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How Fast Is the Universe Expanding?

Infinite space background with silhouette of telescope. This image elements furnished by NASA.

Telescopes: Seeing Stars

Planet Jupiter with its moon Io at left, photographed by the Cassini orbiter during the Cassini-Huygens mission, 2000. spacecraft

7 Important Dates in Jupiter History

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African Americans demonstrating for voting rights in front of the White House as police and others watch, March 12, 1965. One sign reads, "We demand the right to vote everywhere." Voting Rights Act, civil rights.

Timeline of the American Civil Rights Movement

Franklin D. Roosevelt, who formulated the Four Freedoms.

7 Alphabet Soup Agencies that Stuck Around

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Holi: Festival of Colors

Bar graph of the United States Death Toll during major events. Infogram chart.

U.S. Death Toll During Major Events

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

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thermometer: Related Content

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Mercury thermometer

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thermocouple pyrometer reversing thermometer bimetal strip liquid thermometer gas thermometer electrical-resistance thermometer electrical air thermometer wet-bulb thermometer thermography temperature–humidity index bathythermograph thermistor radiation measurement particle accelerator psychological testing measurement system productivity clock robot

Key People

Galileo

Galileo

Italian philosopher, astronomer and mathematician

Guillaume Amontons

French physicist

Daniel Gabriel Fahrenheit

Polish-born Dutch physicist

Quiz

barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure

Fun Facts of Measurement & Math