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Search results for metamaterials

Optics & Photonics Apr 8, 2024

Microprinting millions of microparticles in the blink of an eye through multi-photon 3D laser printing

Multi-photon 3D laser printing has revolutionized miniature fabrication, but limitations in speed and material compatibility have held it back. Now, researchers have taken a giant leap forward, achieving a tenfold increase ...

General Physics Apr 3, 2024

Easy compression, easy flow: Research team designs new granular materials

When we take a stroll on the beach, we walk on the sand without any trouble. The sand appears solid and is difficult to compress. When we put the same sand grains in an hourglass, they behave very differently: the sand flows ...

Optics & Photonics Apr 3, 2024

Intelligent liquid: Researchers develop metafluid with programmable response

Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a programmable metafluid with tunable springiness, optical properties, viscosity and even the ability to transition ...

Optics & Photonics Apr 1, 2024

Team demonstrates an ultra-broadband tunable terahertz absorber of graphene and hierarchical plasmonic metamaterials

Perfect absorption arises from the strong interaction of valence electrons with light in a conducting material. Optical metamaterial is an effective approach to exploit the superior photon capture capability. Thus, the perfect ...

Nanomaterials Mar 27, 2024

Unveiling the future of nanostructures with soft matter magic

As traditional top-down approaches like photolithography reach their limitations in creating nanostructures, scientists are shifting their focus toward bottom-up strategies. Central to this paradigm shift is the self-assembly ...

Condensed Matter Mar 27, 2024

New topological metamaterial amplifies sound waves exponentially

Researchers at AMOLF, in collaboration with partners from Germany, Switzerland, and Austria, have realized a new type of metamaterial through which sound waves flow in an unprecedented fashion. It provides a novel form of ...

Condensed Matter Mar 20, 2024

Exploring trends in AI-fueled metaphotonics research

A research team has published a paper in Current Opinion in Solid State and Materials Science highlighting the next generation of research trends that combine metaphotonics research with artificial intelligence.

General Physics Mar 20, 2024

An endless domino effect: Non-reciprocal topological solitons in active metamaterials

Topological solitons can be found in many places and at many different length scales. For example, they take the form of kinks in coiled telephone cords and large molecules such as proteins. At a very different scale, a black ...

General Physics Mar 6, 2024

Designing a drone that uses adaptive invisibility: Towards autonomous sea-land-air cloaks

The idea of objects seamlessly disappearing, not just in controlled laboratory environments but also in real-world scenarios, has long captured the popular imagination. This concept epitomizes the trajectory of human civilization, ...

Condensed Matter Feb 16, 2024

Acoustic invention enhances ultrasound to access enclosed metal spaces

The inside of underwater pipes and enclosed nuclear containers were inaccessible—until recently. Acoustics researchers in Penn State's College of Engineering have developed a way to convey energy and transmit communications ...

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