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Search results for electromagnetic fields

Optics & Photonics Jul 16, 2025

Chiral metasurfaces encode two images: One visible, one revealed by polarized light

By leveraging the concept of chirality, or the difference of a shape from its mirror image, EPFL scientists have engineered an optical metasurface that controls light to yield a simple and versatile technique for secure encryption, ...

Quantum Âé¶¹ÒùÔºics Jul 15, 2025

The 100-year journey from quantum science to quantum technology

You may not have realized it yet, but the United Nations has declared 2025 the International Year of Quantum Science and Technology.

General Âé¶¹ÒùÔºics Jul 14, 2025

Development of revolutionizing photo-induced microscopy and its use around the globe celebrated in new publication

Photo-induced force microscopy began as a concept in the mind of Kumar Wickramasinghe when he was employed by IBM in the early years of the new millennium. After he came to the University of California, Irvine in 2006, the ...

Earth Sciences Jul 11, 2025

Mysterious reed-covered mounds reveal vast underground water network in Great Salt Lake

As Great Salt Lake's levels continue to sag, yet another strange phenomenon has surfaced, offering Utah scientists more opportunities to plumb the vast saline lake's secrets.

Quantum Âé¶¹ÒùÔºics Jul 11, 2025

Can the Large Hadron Collider snap string theory?

In physics, there are two great pillars of thought that don't quite fit together. The Standard Model of particle physics describes all known fundamental particles and three forces: electromagnetism, the strong nuclear force, ...

Astronomy Jul 10, 2025

Giant liquid mirrors could revolutionize the hunt for habitable worlds

Imagine a space telescope with a mirror stretching 50 meters across! That's larger than the width of a U.K. soccer field and nearly eight times wider than the James Webb Space Telescope. Now imagine that this enormous mirror ...

Optics & Photonics Jul 9, 2025

Affordable, room-temperature maser created using LED technology

With the ability to detect and amplify extremely weak electromagnetic signals without adding additional noise, masers have many potential uses, including the production of more sensitive magnetic resonance body scanners, ...

Quantum Âé¶¹ÒùÔºics Jul 9, 2025

Calculating the electron's magnetic moment: State-dependent values emerge from Dirac equation

Quantum mechanics has a reputation that precedes it. Virtually everyone who has bumped up against the quantum realm, whether in a physics class, in the lab, or in popular science writing, is left thinking something like, ...

Astronomy Jul 8, 2025

How airports like Heathrow and Gatwick could help aliens spot Earth

Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential advanced alien civilizations, new research shows.

General Âé¶¹ÒùÔºics Jul 8, 2025

Chain of magnets transports proton beams over range of energies in test of future cancer treatment

While radiation treatments designed to kill cancer cells have come a long way, scientists and doctors are always exploring new ways to zap tumors more effectively. Recent tests at the U.S. Department of Energy's (DOE) Brookhaven ...

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