Joules Paddle Wheel Experiment Socks
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Description: This scientific diagram shows Joule's paddle-wheel experiment: a falling weight turns paddles in a water tank while a thermometer rises, above 1 cal = 4.184 J, on a deep dark background. In 1845 James Prescott Joule showed that mechanical work turns into a precise amount of heat, using a falling weight to stir water. His result helped establish the conservation of energy; the unit of energy, the joule, is named after him. A gift idea for physicists, engineers and physics students, and a striking addition to a study, lab or office wall.
Joule's Paddle-Wheel Experiment, the Mechanical Equivalent of Heat Socks
by Science Design
$14 $20
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