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Search results for metamaterials

Optics & Photonics Aug 29, 2018

Light programmable guidance of direct current fields in Laplacian metadevices

To enable negative refraction and related optical illusions, metamaterials are artificially engineered with unique properties that result from their internal physical structures, rather than their chemical composition. The ...

Nanomaterials Aug 23, 2018

Researchers develop novel process to 3-D print one of the strongest materials on earth

Researchers from Virginia Tech and Lawrence Livermore National Laboratory have developed a novel way to 3-D print complex objects of one of the highest-performing materials used in the battery and aerospace industries.

Materials Science Aug 14, 2018

3-D inks that can be erased selectively

3-D printing allows for the efficient manufacture of complex geometries. A promising method is direct laser writing—a computer-controlled, focused laser beam acts as a pen and produces the desired structure in a photoresist. ...

Robotics Aug 8, 2018

Army's new 3-D printed shape-shifting soft robots crawl, jump, grab

New 3-D printed robotic structures can squeeze in tight spaces like a crack in the wall of a cave, jump over trip wire or crawl under a vehicle—all complex Army-relevant functions impossible for humans to perform safely.

General Physics Aug 7, 2018

Scientists design new MRI coil for preclinical studies

Researchers from ITMO University developed and tested an MRI coil providing high-resolution imaging of the whole body of a mouse. Such coils are used in preclinical testing, as well as in imaging of various body systems. ...

General Physics Aug 6, 2018

Ricocheting radio waves monitor the tiniest movements in a room

Relief may be on the horizon for anyone who has ever jumped around a room like a jack-in-the-box to get motion-sensing lights to turn back on, thanks to a new motion sensor based on metamaterials that is sensitive enough ...

Engineering Aug 2, 2018

How origami might reshape the future of everything

The next generation of solar panels and air bags will be shaped by the ancient Japanese art of paper folding.

Nanomaterials Aug 2, 2018

Optical secrets of disulfide nanotubes are disclosed

An international collaborative of researchers has demonstrated a strong light-matter interaction in suspensions and self-assembled films of tungsten disulfide nanotubes (NT-WS2). The results of the research are published ...

Nanophysics Aug 1, 2018

Electrically tunable third-order nonlinear optical response in graphene

The research focus on 2-D materials has intensified with its potential to modulate light for superior performance and realize applications that can enhance existing technologies. Graphene, the best known 2-D material, derived ...

Optics & Photonics Jul 30, 2018

Trapping light that doesn't bounce off track for faster electronics

Replacing traditional computer chip components with light-based counterparts will eventually make electronic devices faster due to the wide bandwidth of light.

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