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Search results for metamaterials

Nanophysics Aug 3, 2026

Pixel patterns harness diffraction for faster, more accurate nanoscale 3D printing

Researchers at the George W. Woodruff School of Mechanical Engineering have developed a new approach to nanoscale 3D printing that improves both speed and fidelity, overcoming a challenge that has limited the technology's ...

Optics & Photonics Jul 30, 2026

Photonic time crystals unlock ultrafast control of light in the terahertz range

An international team of researchers from École Polytechnique, Collège de France and Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has achieved a world first: the experimental realization of an all-optical photonic time crystal ...

Optics & Photonics Jul 27, 2026

Simple semiconductor films break light's front-back symmetry

Light typically interacts with a material the same way whether it enters through the front or the back—like polarized sunglasses that work the same from either side. Cornell researchers have demonstrated a simple route to ...

Astronomy Jul 27, 2026

Could we send a spacecraft to a black hole?

Black holes represent some of the most extreme environments in the universe. They are the sources of the strongest gravitational fields, allowing us to test Einstein's theory of general relativity to an extent impossible ...

Nanophysics Jul 12, 2026

Tiny magnetic 'flowers' could expand how researchers image spintronic materials under stronger fields

Materials with magnetic nanostructures have a wide range of potential applications. One area is so-called spintronics, with devices that encode information in magnetic domains. These magnetic bits can be written, read and ...

Optics & Photonics Jul 11, 2026

Synthetic rotation brings black hole energy theory into lab, amplifying waves

More than half a century ago, Sir Roger Penrose envisioned a scenario in which energy could be extracted from a black hole spinning at extreme speeds. He proposed that a particle entering its ergosphere—a region of space ...

Nanophysics Jul 7, 2026

Steering light in a flash: New chip redirects light beams in less than a trillionth of a second

Light can carry enormous amounts of information at extreme speeds, making photonic technologies promising for the development of faster communications, more powerful computing systems and more sensitive sensors. But for light ...

Nanomaterials Jul 6, 2026

How to create the blackest black ever known: From nature to nanotechnology

Achieving the blackest of blacks has been one of humanity's enduring challenges. It is a frontier that unites modern nanotechnologists with nature's ancient color palette.

General Physics Jun 24, 2026

'Collapsible scissored surfaces' complete trilogy of metamaterial design principles

Over the past decade, Professor L. Mahadevan's Soft Math Lab at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has helped establish how the ancient Japanese paper arts of folding or cutting ...

Optics & Photonics Jun 23, 2026

Scientists create optical skyrmions using a two-century-old light phenomenon

Nanyang Technological University, Singapore (NTU Singapore) scientists have used a classic optical phenomenon known as the Poisson spot to create stable patterns of light called optical skyrmions, which are tiny, swirling ...

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