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Astronomers model, determine how disk galaxies evolve so smoothly

September 27, 2020

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By developing better computer simulations, researchers have determined that the scattering of stars from their orbits by the gravity of massive clumps within galaxies leads to a common look in galaxy disks -- bright centers fading away to dark edges.

from Top Technology News -- ScienceDaily https://ift.tt/34adBMu

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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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Astronomers model, determine how disk galaxies evolve so smoothly

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