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Optics & Photonics Aug 21, 2025

Ultrathin metasurface enables high-efficiency vectorial holography

Holography—the science of recording and reconstructing light fields—has long been central to imaging, data storage, and encryption. Traditional holographic systems, however, rely on bulky optical setups and interference ...

Astronomy Aug 21, 2025

Dark energy-filled black holes plus DESI data give neutrino masses that make sense

These are exciting times to explore the largest unanswered questions in physics thanks to high-tech experiments and very precise data. That's particularly true of dark energy, the name given to the mysterious driver of the ...

Bio & Medicine Aug 21, 2025

Ångström-scale optical microscopy deciphers conformational states of single membrane proteins

Our remarkable ability to perform complex tasks—such as thinking, observing, and touch—stems from proteins, the tiny nanometer-sized molecules in the body. Despite decades of research, our understanding of the structure ...

Optics & Photonics Aug 21, 2025

Photonic origami folds glass into microscopic 3D optical devices

Researchers have developed a technique to fold glass sheets into microscopic 3D photonic structures directly on a chip—a process they call photonic origami. The method could enable tiny, yet complex optical devices for ...

Astronomy Aug 21, 2025

Two different types of asteroids may actually share same origin story

Approximately 4.6 billion years ago, our solar system formed from a huge disk of gas and dust orbiting our sun. The asteroids seen today are some of the most complete artifacts of this formation that are left to observe. ...

Bio & Medicine Aug 20, 2025

Model carrier microparticles for inhaled medicines developed with high-precision 3D laser printing

They are barely thicker than a human hair—yet they could significantly improve the effectiveness of inhaled medications: carrier particles in dry powder inhalers transport the active ingredient and ensure it can be efficiently ...

Optics & Photonics Aug 20, 2025

Simple additive method leads to record-setting perovskite laser performance

For years, engineers have sought better ways to build tiny, efficient lasers that can be integrated directly onto silicon chips, a key step toward faster, more capable optical communications and computing.

General Âé¶¹ÒùÔºics Aug 20, 2025

Deep beneath the French Alps, scientists hunt for dark matter

The mysterious substance called dark matter is intrinsically invisible. It cannot be directly observed—rather, its presence is inferred by its gravitational influence on the universe, such as binding galaxy clusters together ...

Optics & Photonics Aug 19, 2025

Ultra-thin materials twist light into optical vortices for faster data transmission

Imagine a whirlpool spinning in a river, or a tornado swirling through the sky. They don't just spin on the spot: they travel forward while maintaining that spiraling motion inside them. These twisting motions, called vortices, ...

Analytical Chemistry Aug 19, 2025

Sunlight-powered catalyst sets new standard for hydrogen peroxide production efficiency

Hydrogen peroxide (H2O2) packs so much chemical energy into a small space that it is powerful enough to fuel rockets. But this same ability to concentrate energy also makes hydrogen peroxide useful for more earthly energy ...

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