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heat
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How heat transfers from one object to another
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heat summary
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Electric power lines against sunset (grid, power, wires, electrical, electricity)
Energy & Fossil Fuels
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
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Muscle injury. Man with sprain thigh muscles. Athlete in sports shorts clutching his thigh muscles after pulling or straining them while jogging on the beach.
Why Does Heat Relax Your Muscles?
Discover
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?
Cathedrale St.Jean in Lyon, France has a 14th-century astronomical clock that shows religious feast days till the year 2019; Perpetual Calendar
Ten Days That Vanished: The Switch to the Gregorian Calendar
Figure 13: A Maxim machine gun, belt-fed and water-cooled, operated by German infantrymen, World War I.
7 Deadliest Weapons in History
US Marines firing at Fallujah, Iraq, during the Second Battle of Fallujah in November 2004. Operation Iraqi Freedom, Iraq War.
Timeline of the 2000s
Poker game. Card game. Royal Flush in poker. Hearts suit gambling
Poker Hands Ranked
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
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?

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Key People

Antoine Lavoisier
Antoine Lavoisier
French chemist
Kelvin, William Thomson, Baron
William Thomson, Baron Kelvin
Scottish engineer, mathematician, and physicist
Cavendish, Henry
Henry Cavendish
British physicist
Sir Benjamin Thompson, count von Rumford
American-British physicist
Joule, James Prescott
James Prescott Joule
English physicist
James David Forbes
Scottish physicist
Balfour Stewart
British meteorologist and geophysicist
Leslie, Sir John
Sir John Leslie
Scottish physicist and mathematician

Related Quizzes and Features

Quiz
Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
All About Physics Quiz
Electric power lines against sunset (grid, power, wires, electrical, electricity)
Energy & Fossil Fuels
Demystified
Muscle injury. Man with sprain thigh muscles. Athlete in sports shorts clutching his thigh muscles after pulling or straining them while jogging on the beach.
Why Does Heat Relax Your Muscles?