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Ancient gas cloud reveals universe's first stars formed quickly

November 09, 2019

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The discovery of a 13 billion-year-old cosmic cloud of gas enabled a team of astronomers to perform the earliest-ever measurement of how the universe was enriched with a diversity of chemical elements. Their findings reveal that the first generation of stars formed more quickly than previously thought.

from Top Technology News -- ScienceDaily https://ift.tt/33y4DqK

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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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Ancient gas cloud reveals universe's first stars formed quickly

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