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Using quantum measurements to fuel a cooling engine

Researchers at the University of Florence and Istituto dei Sistemi Complessi, in Italy, have recently proved that the invasiveness of quantum measurements might not always be detrimental. In a study published in Physical ...

Maxwell's demon extracts work from quantum measurement

(—Physicists have proposed a new type of Maxwell's demon—the hypothetical agent that extracts work from a system by decreasing the system's entropy—in which the demon can extract work just by making a measurement, ...

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Measurement is the process or the result of determining the ratio of a physical quantity, such as a length, time, temperature etc., to a unit of measurement, such as the metre, second or degree Celsius. The science of measurement is called metrology.

The English word measurement originates from the Latin mēnsūra and the verb metiri through the Middle French mesure.

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