World news

Results: 32699
arrow_upward arrow_downward

Low doses of nano cerium dioxide cause lung inflammation, major study finds

Chemical Watch   -   Scientific News Websites

Results are 'surprising and unexpected'

Apr 16, 2019

All-inorganic perovskite quantum dots help realize full-spectrum persistent luminescence tuning

Nanowerk   -   Nanotechnology Websites

In a new study, scientists report a novel strategy to fine-tuning the persistent luminescence by using all-inorganic perovskite quantum dots as efficient light conversion materials.

Apr 16, 2019

Boosting biomed discoveries

Photonics Media   -   Scientific News Websites

The ultrashort-pulse (ultrafast) laser domain is on the rise in a growing number of biomedical applications, from multiphoton imaging and nonsurgical vision correction to neuronal optogenetics and biological research. Ytterbium fiber lasers are n...

Apr 16, 2019

Fast and selective optical heating for functional nanomagnetic metamaterials

Nanowerk   -   Nanotechnology Websites

Scientists demonstrate the use of hybrid magnetic-plasmonic elements to facilitate contactless and selective temperature control in magnetic functional metamaterials.

Apr 16, 2019

Researchers Develop New Graphene-Enabled Photodetector that is Highly Sensitive and Fast

AZoNano   -   Nanotechnology Websites

A research work published in Nano Letters explains the advance of a graphene-enabled detector for terahertz light that is more sensitive and rapid when compared to current room-temperature...

Apr 16, 2019

Snow-powered nanogenerator works where solar panels don't

New Atlas   -   Scientific News Websites

Snowy places aren't ideal for harvesting solar energy – panels can't do much if they're buried under blankets of snow, of course. Now a team from the University of California Los Angeles (UCLA) has developed a new device that...

Apr 16, 2019

Researchers explore energy-saving catalysts that operate at room temperature

Phys.org   -   Scientific News Websites

NIST researchers have explored in unprecedented detail a new breed of catalysts that allow some chemical reactions, which normally require high heat, to proceed at room temperature. The energy-saving catalysts use sunlight or another light source ...

Apr 16, 2019

Graphene gives a tremendous boost to future terahertz cameras

Phys.org   -   Scientific News Websites

In a recent study, researchers developed a novel graphene-enabled photodetector that operates at room temperature, is highly sensitive, fast, has a wide dynamic range, and covers a broad range of THz frequencies. The researchers have achieved a so...

Apr 16, 2019

Innovative First-of-its-Kind Nanogenerator Creates Electricity from Snowfall

AZoNano   -   Nanotechnology Websites

UCLA scientists and colleagues have engineered a new device that produces electricity from falling snow. This device is the first of its kind and is economical, thin, small, and flexible resembling a...

Apr 16, 2019

New discovery makes fast-charging, better performing lithium-ion batteries possible

Nanowerk   -   Nanotechnology Websites

Nanomaterials could boost battery performance in consumer electronics, electric vehicles, and more.

Apr 16, 2019

REFINE