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Search results for metamaterials

Nanomaterials May 23, 2019

New Flatland material: Âé¶¹ÒùÔºicists obtain quasi-2D gold

Researchers from the MIPT Center for Photonics and 2-D Materials have synthesized a quasi-2-D gold film, revealing how materials not usually classified as two-dimensional can form atomically thin layers. Published in Advanced ...

Materials Science May 21, 2019

3-D grayscale digital light printing (g-DLP) highly functionally graded materials (FGM)

Three-dimensional (3-D) printing or additive manufacture (AM) is a popular technique that has presently attracted tremendous attention as a promising method to revolutionize design and manufacture. Researchers have expanded ...

Engineering May 21, 2019

Engineers design solutions to tackle low-frequency noise

Low frequency noise (500 Hertz and lower), which could stem from various sources such as construction machineries and aircrafts, is a form of environmental noise problem in urban environments. Such noise transmits over long ...

Nanophysics May 17, 2019

Extraordinarily transparent compact metallic metamaterials

In materials science, achromatic optical components can be designed with high transparency and low dispersion. Materials scientists have shown that although metals are highly opaque, densely packed arrays of metallic nanoparticles ...

General Âé¶¹ÒùÔºics May 7, 2019

Academics show how to create a spotlight of sound with LEGO-like bricks

Academics have created devices capable of manipulating sound in the same way as light—creating exciting new opportunities in entertainment and public communication.

Optics & Photonics Apr 30, 2019

Future bright for mini synchrotrons

Colliding a stream of electrons with laser light near an array of tiny silver structures could be the recipe for a new X-ray source that could revolutionize medical imaging and security scanning.

Earth Sciences Apr 26, 2019

Scientists take a 'metamaterials' approach to earthquake damage

In the past decade scientists have been experimenting with metamaterials, artificial materials designed with periodic internal structures to give them properties not found in natural materials. Depending on their internal ...

Optics & Photonics Apr 23, 2019

Study opens a new route to achieving invisibility without using metamaterials

A pair of researchers at Tokyo Institute of Technology (Tokyo Tech) describes a way of making a submicron-sized cylinder disappear without using any specialized coating. Their findings could enable invisibility of natural ...

General Âé¶¹ÒùÔºics Apr 17, 2019

Morphing origami takes a new shape, expanding use possibilities

Origami-based structures have been used to create deployable solar arrays for space, adaptable acoustic systems for symphony halls and even crash protection systems for flying drones.

Optics & Photonics Apr 17, 2019

Tuning terahertz transmission

The ability to manipulate light on a subwavelength-scale could lead to a revolution in photonic devices such as antennas, solar panels, and even cloaking devices. Nanotechnology advances have made this possible through the ...

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