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Search results for metamaterials

Optics & Photonics Apr 22, 2024

Realization of an ideal omnidirectional invisibility cloak in free space

A team led by Prof. Dexin Ye and Prof. Hongsheng Chen from Zhejiang University, and Prof. Yu Luo from Nanyang Technological University conducted research on the practical implementation of full-parameter transformation optical ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

Condensed Matter Feb 14, 2024

A new optical metamaterial makes true one-way glass possible

A new approach has allowed researchers at Aalto University to design a kind of metamaterial that has so far been beyond the reach of existing technologies. Unlike natural materials, metamaterials and metasurfaces can be tailored ...

Nanomaterials Feb 9, 2024

New AI tool discovers realistic 'metamaterials' with unusual properties

A coating that can hide objects in plain sight, or an implant that behaves exactly like bone tissue—these extraordinary objects are already made from "metamaterials." Researchers from TU Delft have now developed an AI tool ...

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