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A nanofluidic osmotic energy generator

Nanowerk   -   Nanotechnology Websites

Enormous free-energy dissipation takes place when fresh river water mixes with salty sea water. This so-called osmotic energy, which normally goes to waste, can be harvested with nanostructured membranes that are put between the two types of water...

Aug 2, 2022

Nanopillared lenses let scientists trap individual atoms with light

New Atlas   -   Scientific News Websites

“Optical tweezers” – systems that focus light to trap and manipulate individual atoms – could pave the way for powerful quantum devices, but they can be a little cumbersome. Researchers have now developed a simplified, smaller design for optical t...

Aug 2, 2022

Optical Switch Forms Inroad for All-Optical Signal Processing

Photonics Media   -   Scientific News Websites

An optical switch developed by Caltech researchers harnesses the property of optical nonlinearity and aims to enable ultrafast all-optical signal processing and computing. According to its developers, the technology could help to bypass one of the...

Aug 2, 2022

Researchers develop moisture-resistant, stretchable NOx gas sensors based on laser-induced graphene

Graphene Info   -   Scientific and Educational Websites

Researchers from Penn State and China's Hebei University of Technology, as well as additional collaborators from China, have developed a new water-resistant gas sensor for accurate, continuous monitoring of nitrogen dioxide and other gases in...

Aug 2, 2022

Ultrathin covalent organic framework on graphene could be the key to better removal of pollutants

Graphene Info   -   Scientific and Educational Websites

Researchers from the University of Vienna, South Korea's Institute for Basic Science (IBS) and the Chinese Academy of Sciences (CAS) have reported an ultrathin covalent organic framework (COF) that was constructed homogeneously on the surface...

Aug 2, 2022

"Qudit" Computers Go Beyond Ones and Zeroes

IEEE Spectrum   -   Scientific and Educational Websites

Quantum computers mostly depend on quantum bits or “qubits” that each can symbolize two numbers, 0 or 1. Now, in a new study, researchers have developed a quantum computer based on quantum digits or “qudits” that each can encode seven numbers. A q...

Aug 1, 2022

China's new quantum satellite now operational

NanoDaily   -   Scientific News Websites

A Chinese micro-nano quantum satellite has entered its planned orbit and is now operational, the University of Science and Technology of China (USTC), one of its developers, said on Thursday.

Aug 1, 2022

Researchers develop miniature lens for trapping single atoms

Nanowerk   -   Nanotechnology Websites

Nanopillar-studded surfaces interact with light to provide a new way to trap, image and manipulate single atoms.

Aug 1, 2022

Bringing consistency to methods of 2D material analysis

Phys.org   -   Scientific News Websites

In materials science, the term "2D materials" refers to crystalline solids that consist of a single layer of atoms, with arguably the most famous example being graphene — a material made of a single layer of carbon atoms. These materials...

Aug 1, 2022

Turning fish waste into quality carbon nanomaterials

Nanowerk   -   Nanotechnology Websites

Researchers have developed a synthesis route in which fish scales extracted from fish waste after cleaning are converted into carbon nano-onions in mere seconds through microwave pyrolysis.

Aug 1, 2022

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