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Planetary Sciences 7 hours ago

Strong solar storm could disrupt communications and produce northern lights in US

An unusually strong solar storm headed toward Earth could produce northern lights in the U.S. this weekend and potentially disrupt power and communications.

Optics & Photonics 8 hours ago

Visual observation of photonic Floquet–Bloch oscillations

Recently, the exploration of Bloch oscillations (BOs) in periodically driven quantum systems, equivalent to "Floquet systems," has drawn tremendous attention because their exotic characteristics are profoundly distinct from ...

Analytical Chemistry 8 hours ago

Accelerating material characterization: Machine learning meets X-ray absorption spectroscopy

Lawrence Livermore National Laboratory (LLNL) scientists have developed a new approach that can rapidly predict the structure and chemical composition of heterogeneous materials.

Astronomy 9 hours ago

Is dark matter's main rival theory dead? The Cassini spacecraft and other recent tests may invalidate MOND

One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newton's law of gravity to their visible matter, despite those ...

Planetary Sciences May 9, 2024

TESS discovers a rocky planet that glows with molten lava as it's squeezed by its neighbors

UC Riverside astrophysicist Stephen Kane had to double-check his calculations. He wasn't sure the planet he was studying could be as extreme as it seemed.

Astronomy May 9, 2024

Where space weather starts: Self-consistent propagation of flux ropes in realistic coronal simulations

The effects of space weather extend out across our entire solar system, but this is a simulation of where everything starts: the sudden, violent, emergence of a "flux rope" out of the sun's magnetic field and into the solar ...

Astronomy May 9, 2024

NASA images help explain eating habits of massive black hole

In images from NASA's retired Spitzer Space Telescope, streams of dust thousands of light-years long flow toward the supermassive black hole at the heart of the Andromeda galaxy. It turns out these streams can help explain ...

Planetary Sciences May 9, 2024

Exoplanet WASP-69b has a cometlike tail, helping scientists to learn more about how planets evolve

Located 163 light-years from Earth, a Jupiter-sized exoplanet named WASP-69b offers astrophysicists a window into the dynamic processes that shape planets across the galaxy. The star it orbits is baking and stripping away ...

Condensed Matter May 9, 2024

Scientists demonstrate the potential of electron spin to transmit quantum information

The spin of the electron is nature's perfect quantum bit, capable of extending the range of information storage beyond "one" or "zero." Exploiting the electron's spin degree of freedom (possible spin states) is a central ...

Nanophysics May 9, 2024

Researchers demonstrate enhanced radiative heat transfer for nanodevices

Researchers from Japan have been working hard to keep their cool—or at least—keep their nanodevices from overheating. By adding a tiny coating of silicon dioxide to micro-sized silicon structures, they were able to show ...

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