thermometer

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Mercury thermometer

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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)

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

Discover

Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news

Who Invented the Internet?

Periodical Cicada, Adult, Magicicada spp. Requires 17 years to complete development. Nymph splits its skin, and transforms into an adult. Feeds on sap of tree roots. Northern Illinois Brood. This brood is the largest emergence of cicadas anywhere

Why Do Some Cicadas Appear Only Every 17 Years?

Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.

7 Deadliest Weapons in History

Amendments 1-10 to the Constitution of the United States constitute what is known as the Bill of Rights on an American flag.

What Is the Emoluments Clause?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Happy, smiling, flying pig

7 Everyday English Idioms and Where They Come From

Portrait of a mountain gorilla at a short distance. gorilla close up portrait.The mountain gorilla (Gorilla beringei beringei)

Falling Stars: 10 of the Most Famous Endangered Species

thermometer: Related Content

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Mercury thermometer

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Topics

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

Key People

Galileo

Galileo

Italian philosopher, astronomer and mathematician

Daniel Gabriel Fahrenheit

Polish-born Dutch physicist

Guillaume Amontons

French physicist

Quiz

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

Fun Facts of Measurement & Math