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Discovery of the oldest visible planetary Nebula hosted by a 500-million-year-old Galactic cluster -- a rare beauty with a hot blue heart

August 29, 2022

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Astronomers have discovered a rare celestial jewel -- a so-called Planetary Nebula (PN) inside a 500 million-year-old Galactic Open Cluster (OC) called M37 (also known as NGC2099). This is a very rare finding of high astrophysical value.

from Top Technology News -- ScienceDaily https://ift.tt/HzerR4V

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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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Discovery of the oldest visible planetary Nebula hosted by a 500-million-year-old Galactic cluster -- a rare beauty with a hot blue heart

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