World news

Results: 32792
arrow_upward arrow_downward

Can Silicon Nanostructures Knock Plastic Lenses Out of Cell Phone Cameras?

IEEE Spectrum   -   Scientific and Educational Websites

Startup Metalenz says its nanostructures do a better job of guiding light to image sensors than curved plastic lenses

Feb 4, 2021

Switching nanolight on and off

Phys.org   -   Scientific News Websites

A team of researchers led by Columbia University has developed a unique platform to program a layered crystal, producing imaging capabilities beyond common limits on demand.

Feb 4, 2021

Research could lead to injectable gels that release medicines over time

ScienceDaily   -   General News Websites

The researchers dissolved polymers and nanoparticles in water, and comingled them at room temperature to solidify a Jello-like substance that - unlike its kitchen counterpart -- did not liquify at higher heat, such as in the body. The technique ke...

Feb 4, 2021

Researchers create 'whirling' nano-structures in anti-ferromagnets

ScienceDaily   -   General News Websites

Inspired by the Big Bang cooling, the new finding could lead to super-fast, energy-efficient memory chips.

Feb 4, 2021

Scientists use trilayer graphene to observe more robust superconductivity: The new three-layer system opens the door for high temperature superconductors

ScienceDaily   -   General News Websites

Scientists report successfully stacking three sheets of graphene and then twisting each of them at a magic angle to produce a three-layered structure that is not only capable of superconductivity but does so more robustly and at higher temperature...

Feb 4, 2021

Scientists use trilayer graphene to observe more robust superconductivity

Phys.org   -   Scientific News Websites

In 2018, the physics world was set ablaze with the discovery that when an ultrathin layer of carbon, called graphene, is stacked and twisted to a "magic angle," that new double layered structure converts into a superconductor, allowing e...

Feb 4, 2021

The Graphene-Based Biosensors that can Detect Blood Disorders

AZoNano   -   Nanotechnology Websites

Image Credit: Phonlamai Photo / Shutterstock.com A new biosensor uses laser printed graphene to detect biomarkers at low concentrations and without prior labeling, thus providing a quick, cheap...

Feb 4, 2021

Polymer-derived carbon as metal-free, 'green' alternative to catalysts and nanocarbons

Phys.org   -   Scientific News Websites

Catalysts are key materials in modern society, enabling selective conversion of raw materials into valuable products while reducing waste and saving energy. In case of industrially relevant oxidative dehydrogenation reactions, most known catalyst ...

Feb 4, 2021

Polymer-derived carbon as metal-free, 'green' alternative to catalysts and nanocarbons

Nanowerk   -   Nanotechnology Websites

Scientists have succeeded in synthesizing macroscopic carbons that are similar in handling to common technical catalysts.

Feb 4, 2021

Nickel phosphide nanoparticle catalyst is the full package

ScienceDaily   -   General News Websites

Researchers prepared a nickel phosphide nanoparticle catalyst on a hydrotalcite support that showed high activity and selectivity in the hydrogenation of D-glucose to D-sorbitol. The catalyst was air-stable, reusable, and effective in water and at...

Feb 4, 2021

REFINE