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Colossal black holes locked in dance at heart of galaxy

February 23, 2022

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A sinusoidal light curve spanning 45 years points to the presence of orbiting supermassive black holes at the core of a distant galaxy.

from Top Technology News -- ScienceDaily https://ift.tt/ZuzPf4Q

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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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Colossal black holes locked in dance at heart of galaxy

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