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First black hole ever detected is more massive than we thought

February 18, 2021

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New observations of the first black hole ever detected have led astronomers to question what they know about the Universe's most mysterious objects. The research shows the system known as Cygnus X-1 contains the most massive stellar-mass black hole ever detected without the use of gravitational waves.

from Top Technology News -- ScienceDaily https://ift.tt/3ue53An

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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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First black hole ever detected is more massive than we thought

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