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Optics & Photonics Aug 2, 2024

New 'game-changing' discovery for light-driven artificial intelligence

In a paper, titled "Partial coherence enhances parallelized photonic computing," published in Nature, researchers from the University of Oxford, along with collaborators from the Universities of Muenster, Heidelberg, and ...

Environment Aug 2, 2024

Scientists find a human 'fingerprint' in the upper troposphere's increasing ozone

Ozone can be an agent of good or harm, depending on where you find it in the atmosphere. Way up in the stratosphere, the colorless gas shields the Earth from the sun's harsh ultraviolet rays. But closer to the ground, ozone ...

Astronomy Aug 2, 2024

Rubin Observatory's 3.5-meter secondary mirror installed

Vera C. Rubin Observatory's 3.5-meter secondary mirror has been installed on the Simonyi Survey Telescope on Cerro Pachón in Chile. The glass mirror—made by Corning Advanced Optics and polished by L3Harris Technologies—is ...

General Physics Aug 1, 2024

Physicists report new insights into exotic particles key to magnetism

MIT physicists and colleagues report new insights into exotic particles key to a form of magnetism that has attracted growing interest because it originates from ultrathin materials only a few atomic layers thick. The work, ...

Earth Sciences Aug 1, 2024

Retreating Andean rocks signal the world's glaciers are melting far faster than predicted, report scientists

Rocks recently exposed to the sky after being covered with prehistoric ice show that tropical glaciers have shrunk to their smallest size in more than 11,700 years, revealing the tropics have already warmed past limits last ...

Astronomy Aug 1, 2024

Astronomers use AI to find elusive stars 'gobbling up' planets

Astronomers have recently found hundreds of "polluted" white dwarf stars in our home galaxy, the Milky Way. These are white dwarfs caught actively consuming planets in their orbit. They are a valuable resource for studying ...

Earth Sciences Aug 1, 2024

UK should avoid rush to air-con as temperatures rise, warn researchers

The UK needs coordinated plans to stop a rush for air conditioning as temperatures rise, experts say.

Astronomy Aug 1, 2024

JWST imagery shows light from one of the earliest galaxies is due to continuing bursts from star formations

An international team of astronomers and astrophysicists studying data and imagery received from the James Webb Space Telescope (JWST) has found that light emitted from one of the earliest galaxies identified thus far, is ...

Earth Sciences Aug 1, 2024

Iceland's recent volcanic eruptions driven by pooling magma are set to last centuries into the future

To experience a volcanic eruption is to witness nature's raw power. If you would like to see one for yourself, Iceland is a great location for it. Since 2021, seven eruptions have taken place along the Reykjanes Peninsula, ...

Astronomy Aug 1, 2024

A new 'guest star' will appear in the sky in 2024 − a space scientist explains how nova events work and where to look

The stars aren't fixed and unchanging, unlike what many ancient people thought. Once in a while, a star appears where there wasn't one before, and then it fades away in a matter of days or weeks.

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