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Example of modern treadmill. A treadmill is a device generally used for walking, running, or climbing while staying in the same place.Treadmills were introduced before the development of powered machines to harness the power of animals or humans to do work, often a type of mill operated by a person or animal treading the steps of a treadwheel to grind grain.
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A treadwheel, or treadmill, is a form of engine typically powered by humans. It may resemble a water wheel in appearance, and can be worked either by a human treading paddles set into its circumference (treadmill), or by a human or animal standing inside it (treadwheel).
A penal treadmill (penal treadwheel or everlasting staircase) was a treadwheel or treadmill with steps set into two cast iron wheels. These drove a shaft that could be used to mill corn, pump water, or connect to a large fan for resistance.
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This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources. Novellas are works of prose fiction longer than a short story but shorter than a novel. Several novellas have been recognized as among the best examples of the literary form. Publishers and literary award societies typically consider a ...
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"Hedonic treadmill" is a term coined by Brickman and Campbell in their article, "Hedonic Relativism and Planning the Good Society" (1971), describing the tendency of people to keep a fairly stable baseline level of happiness despite external events and fluctuations in demographic circumstances. [2]