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While phlogiston theory was widely accepted, phlogiston was thought to be the matter of heat. When Antoine Laurent Lavoisier refuted phlogiston theory in place of his oxygen theory in 1774, he still needed a way to explain heat, so he introduced caloric as the matter of heat. Count Rumford helped bring an end to the idea of caloric by asking why boring a cannon repeatedly does not result in a loss of caloric, therefore a loss of its ability to produce heat.

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Topics: Caloric Theory, Caloric Restriction, Caloric...

Caloric theoryThe Caloric theory of heat stated that heat was contained in a fluid ("caloric") that could transfer from one object to another. Compare it to the phlogiston theory. In modern times this theory has been replaced with the theory of heat as kinetic energy o

Caloric restrictionCaloric restriction (CR) is the practice of limiting dietary energy intake to improve health and retard aging. In human subjects, CR is known to slow the signs of aging, as indicated by biomarkers such as cholesterol and blood pressure. Every animal speci

CaloricWhile phlogiston theory was widely accepted, phlogiston was thought to be the matter of heat. When Antoine Laurent Lavoisier refuted phlogiston theory in place of his oxygen theory in 1774, he still needed a way to explain heat, so he introduced caloric a

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