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Search results for metamaterials

Nanomaterials Aug 24, 2020

Machine learning peeks into nano-aquariums

In the nanoworld, tiny particles such as proteins appear to dance as they transform and assemble to perform various tasks while suspended in a liquid. Recently developed methods have made it possible to watch and record these ...

Nanophysics Aug 12, 2020

Enhanced liquid repellence through flexible microstructures

Artificial surfaces that can repel liquids have attracted significant attention across scientific and industrial platforms to create functional topological features. But the role of the underlying structures that are in contact ...

General Physics Aug 10, 2020

Deep learning and metamaterials make the invisible visible

By combining purpose-built materials and neural networks, researchers at EPFL have shown that sound can be used in high-resolution imagery.

General Physics Aug 7, 2020

Q&A: Harnessing sound to better monitor aging pipeline infrastructure

Underground pipelines, some as old as the cities they service, are often far past their intended lifespan and the need for replacing them looms as an expense most municipalities can't afford.

Optics & Photonics Jul 31, 2020

Nanoparticle meta-grid for enhanced light extraction from light-emitting devices

A tailored layer of plasmonic nanoparticles can be introduced into the epoxy casing of a light-emitting diode (LED) to improve the device's light output, to benefit energy savings and boost the LED lifetime. In a new report ...

Optics & Photonics Jul 27, 2020

A photonic amorphous topological insulator

The current understanding of topological insulators and their classical wave analogs, such as photonic topological insulators, is mainly based on topological band theory. Contrary to this, Scientists in China and Singapore ...

Nanophysics Jul 27, 2020

Trapping tiny particles: A versatile tool for nanomanipulation

At just 1/1000th of a millimeter, nanoparticles are impossible to see with the naked eye. But, despite being small, they're extremely important in many ways. If scientists want to take a close look at DNA, proteins, or viruses, ...

Optics & Photonics Jul 21, 2020

Temporal aiming with temporal metamaterials

Tailoring and manipulating electromagnetic wave propagation has been of great interest within the scientific community for many decades. In this context, wave propagation has been engineered by properly introducing spatial ...

Quantum Physics Jul 17, 2020

Scientists achieve major breakthrough in preserving integrity of sound waves

In a breakthrough for physics and engineering, researchers from the Photonics Initiative at the Advanced Science Research Center at The Graduate Center, CUNY (CUNY ASRC) and from Georgia Tech have presented the first demonstration ...

Quantum Physics Jul 16, 2020

Physicists engineer an optical mirror made of only a few hundred atoms

Physicists at the Max Planck Institute of Quantum Optics (MPQ) have engineered the lightest optical mirror imaginable. The novel metamaterial is made of a single structured layer that consists only of a few hundred identical ...

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