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Astronomy Jan 31, 2024

Astronomers in Chile to scour universe with car-sized mega camera

Surrounded by the desert mountains and clear blue sky of northern Chile, astronomers from the Vera C. Rubin Observatory hope to revolutionize the study of the universe by affixing the world's largest-ever digital camera to ...

Nanophysics Jan 30, 2024

Researchers showcase new breakthroughs for unlocking the potential of plasmonics

Plasmonics are special optical phenomena that are understood as interactions between light and matter and possess diverse shapes, material compositions, and symmetry-related behavior. The design of such plasmonic structures ...

Astronomy Jan 29, 2024

Lopsided galaxies shed light on the speed of dark matter

In new research published in Astronomy & Astrophysics, researchers have figured out how to precisely calculate the forces that affect galaxies in tidal cycles. The next stage is to find galaxies sufficiently lopsided in the ...

Astronomy Jan 26, 2024

Stars travel more slowly at Milky Way's edge: Galaxy's core may contain less dark matter than previously estimated

By clocking the speed of stars throughout the Milky Way galaxy, MIT physicists have found that stars further out in the galactic disk are traveling more slowly than expected compared to stars that are closer to the galaxy's ...

Condensed Matter Jan 26, 2024

Physicists identify a surprising phenomenon of aging in materials over time

Physicists in Darmstadt are investigating aging processes in materials. For the first time, they have measured the ticking of an internal clock in glass. When evaluating the data, they discovered a surprising phenomenon.

Astronomy Jan 23, 2024

This is the oldest black hole ever seen

There's an incredibly ancient black hole out there that's challenging astronomers to explain how it could exist only 400 million years after the Big Bang. It's at the heart of a galaxy called GN-z11. Astronomers using JWST ...

Astronomy Jan 17, 2024

A primordial dark matter galaxy found without stars

There's a galaxy out there without apparent stars but largely chock full of dark matter. What's that you say? A galaxy without stars? Isn't that an impossibility? Not necessarily, according to the astronomers who found it ...

Astronomy Jan 17, 2024

Searching for dark matter in gaps between stars

Although dark matter makes up about 27% of the universe, astronomers have been unable to observe it directly.

General Physics Jan 17, 2024

Discovery of low-lying isomeric states in cesium-136 has applications in particle astrophysics

Large, low-background detectors using xenon as a target medium are widely used in fundamental physics, particularly in experiments searching for dark matter or studying rare decays of atomic nuclei. In these detectors, the ...

Plants & Animals Jan 16, 2024

Elucidating the biosynthetic mechanism for protoberberine alkaloids from Coptis chinensis

Protoberberine alkaloids are a group of tetracyclic isoquinoline compounds known for their well-established antimicrobial and anti-inflammatory properties. Although protoberberine alkaloids are broadly found in various plant ...

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