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New test to snare those lying about a person's identity

August 07, 2019

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A new test could help police to determine when criminals or witnesses are lying about their knowledge of a person's identity.

from Top Technology News -- ScienceDaily https://ift.tt/2Kx5fEH

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Scientists found a way to cool quantum computers using noise

Quantum computers need extreme cold to work, but the very systems that keep them cold also create noise that can destroy fragile quantum information. Scientists in Sweden have now flipped that problem on its head by building a tiny quantum refrigerator that actually uses noise to drive cooling instead of fighting it. By carefully steering heat at unimaginably small scales, the device can act as a refrigerator, heat engine, or energy amplifier inside quantum circuits. from Top Technology News -- ScienceDaily https://ift.tt/fJjN3FO

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New test to snare those lying about a person's identity

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