Human power
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Human power is the rate of work or energy that is produced from the human body. It can also refer to the power of a human. Power comes primarily from muscles, but body heat is also used to do work lik
U.S. Navy personnel operating hand-cranked machinery to raise an aircraft catapult on the USS Ronald Reagan (CVN-76)
Bicycles are an example of human-powered transportation.
A penal treadwheel used at the Coldbath Fields Prison in London, England in 1864
A mechanically powered flashlight. This uses a linear generator and is charged by shaking along its long axis.
Batteryless radio
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A batteryless radio is a type of radio receiver that does not require the use of a battery to provide it with electrical power.
Human power
…that enabled the Royal Flying Doctor Service, and later the School of the Air, linking people living remotely to emergency services and education. Batteryless radio Bottle dynamo…
A modern clockwork radio with crank in winding position