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Introduction References & Edit History Related Topics
Quizzes
Electric power lines against sunset (grid, power, wires, electrical, electricity)
Energy & Fossil Fuels
barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math
Related Questions
Read Next
Blackboard inscribed with scientific formulas and calculations in physics and mathematics
The World Science Festival’s Pioneers in Science
Laboratory glassware (beakers)
5 Quizzes That Will Tell You Whether You Should Have Been a Scientist
Abstract vector hi speed internet technology background
History of Technology Timeline
Binary Computer Code, Binary Code, Internet, Technology, Password, Data
How Does Wi-Fi Work?
Centimetres vs inches, metal rulers on a white background with clipping path.
15 Questions About Units of Measurement Answered
Discover
The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)
9 Worst Generals in History
VAN, TURKEY - OCTOBER 25: A building and car ruined during the earthquake of Van-Ercis on October 25, 2011 in Van, Turkey. It is 604 killed and 4152 injured in Van-Ercis Earthquake.
What Is an Aftershock?
The Castillo, a Toltec-style pyramid, rises 79 feet (24 meters) above the plaza at Chichen Itza in Yucatan state, Mexico. The pyramid was built after invaders conquered the ancient Maya city in the tenth century.
What’s Inside the Pyramid at Chichén Itzá?
Shadow of a man holding large knife in his hand inside of some dark, spooky buiding
7 of History's Most Notorious Serial Killers
Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society
The 10 Greatest Basketball Players of All Time
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd
Causes of the Great Depression

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erg, unit of energy or work in the centimetre-gram-second system of physical units used in physics; to lift a pound weight one foot requires 1.356 × 107 ergs. It equals the work done by a force of one dyne acting through a distance of one centimetre and is equal to 10-7 joule, the standard unit of work or energy.

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