World news

Results: 32847
arrow_upward arrow_downward

Breakthrough in air purification with a catalyst that works at room temperature

EurekAlert   -   Scientific News Websites

Researchers from Tokyo Metropolitan University have shown that a newly engineered catalyst made of gold nanoparticles supported on a metal oxide framework shows breakdown of ammonia impurities in air, with excellent selectivity for conversion to n...

Mar 23, 2019

Graphene Device Sops Up Sunlight, Heats to 160 Degrees Celsius in Seconds

IEEE Spectrum   -   Scientific and Educational Websites

A new class of ultrathin light absorbent material could harvest solar energy, boil water, and work as an infrared detector

Mar 22, 2019

Graphene Device Sops Up Sunlight, Heats to 160 Degrees Celsius in Seconds

IEEE Spectrum   -   Scientific and Educational Websites

A new class of ultrathin light absorbent material could harvest solar energy, boil water, and work as an infrared detector

Mar 22, 2019

An Optimist’s View of the 4 Challenges to Quantum Computing

IEEE Spectrum   -   Scientific and Educational Websites

The technical challenges are very difficult, but the promise is too great to quit so early in the quantum computing marathon, writes Intel's Jim Clarke

Mar 22, 2019

An Optimist’s View of the 4 Challenges to Quantum Computing

IEEE Spectrum   -   Scientific and Educational Websites

The technical challenges are very difficult, but the promise is too great to quit so early in the quantum computing marathon, writes Intel's Jim Clarke

Mar 22, 2019

Chemicals induce dipoles to damp plasmons

Nanowerk   -   Nanotechnology Websites

A study finds that molecules alter gold nanoparticles' electronic properties.

Mar 22, 2019

Optical tweezers combine with X-rays to enable analysis of crystals in liquids

Nanowerk   -   Nanotechnology Websites

Scientists have developed a new technique that combines the power of nanoscale 'tractor beams' with high-powered X-rays, enabling them to position and manipulate crystals in solution that are not in contact with substrates.

Mar 22, 2019

Chemicals induce dipoles to damp plasmons: Molecules alter gold nanoparticles' electronic properties

ScienceDaily   -   General News Websites

A new study discovers a mechanism by which molecules affect the plasmonic response of gold nanorods. The mechanism could be used to enhance applications like catalysis that involve plasmon-driven chemistry.

Mar 22, 2019

Chemicals induce dipoles to damp plasmons

Phys.org   -   Scientific News Websites

The light scattered by plasmonic nanoparticles is useful, but some of it gets lost at the surface and scientists are now starting to figure out why.

Mar 22, 2019

Quantum Dots Demonstrate High Luminescence Efficiency

Photonics Media   -   Scientific News Websites

A new technique for precisely measuring quantum dot (QD) performance, developed by researchers at Stanford University, showed that groups of QDs reliably emit about 99.6 percent of the light they absorb, with a potential error of 0.2 percent in ei...

Mar 22, 2019

REFINE