World news

Results: 32586
arrow_upward arrow_downward

Polymer beads generate electricity for self-charging devices using simple friction

Phys.org   -   Scientific News Websites

An international team has discovered a simple and environmentally friendly way to power the next generation of self-charging electronics. The work is published in Nano Energy.

Nov 28, 2025

Nanostructured coatings physically puncture bacteria to prevent biofilm formation

Phys.org   -   Scientific News Websites

Bacteria that multiply on surfaces are a major headache in health care when they gain a foothold on, for example, implants or in catheters. Researchers at Chalmers University of Technology in Sweden have found a new weapon to fight these hotbeds o...

Nov 28, 2025

Electric control of ions and water enables switchable molecular stickiness on surfaces

Phys.org   -   Scientific News Websites

What if a surface could instantly switch from sticky to slippery at the push of a button? By using electricity to control how ions and water structure at the solid liquid interface of self-assembled monolayers of aromatic molecules, researchers at...

Nov 28, 2025

Tiny reconfigurable robots can help manage carbon dioxide levels in confined spaces

Phys.org   -   Scientific News Websites

Vehicles and buildings designed to enable survival in extreme environments, such as spacecraft, submarines and sealed shelters, heavily rely on systems for the management of carbon dioxide (CO2). These are technologies that can remove and release ...

Nov 28, 2025

Nanostars push SERS sensing to new performance levels

Nanowerk   -   Nanotechnology Websites

Researchers developed a plasmonic substrate that notably improves the stability and reproducibility of SERS-based sensing.

Nov 28, 2025

DNA nanostructures fight the flu virus by matching its protein clusters

Nanowerk   -   Nanotechnology Websites

DNA scaffolds that mirror influenza virus protein geometry boost antiviral binding and reduce infection more effectively than free molecules, enabling a modular antiviral design strategy.

Nov 28, 2025

Copper nanoparticles unexpectedly prove suitable for ultraviolet SERS spectroscopy

Phys.org   -   Scientific News Websites

Lithuanian researchers at the Center for Physical Sciences and Technology (FTMC), Habil. Dr. Gediminas Niaura and Dr. Martynas Talaikis, together with international colleagues, have for the first time demonstrated that copper is a suitable metal f...

Nov 26, 2025

Nanoscale mini-fridges boost chip power with ion-driven cooling

Nanowerk   -   Nanotechnology Websites

A nanopore gate and salt gradient drive ions that haul away heat, enabling efficient on-chip cooling or heating for more powerful semiconductor processors.

Nov 26, 2025

First Graphene signs exclusive global deal with Halocell Australia for graphene-enhanced paste for perovskite solar cells

Graphene Info   -   Scientific and Educational Websites

First Graphene has announced it has entered an exclusive License Agreement with Halocell Australia to manufacture, market and sell graphene-enhanced carbon paste. The 12-month Agreement gives First Graphene global exclusivity over development and ...

Nov 26, 2025

Interpretable machine learning to accelerate nanocatalyst discovery

Phys.org   -   Scientific News Websites

A fast and accurate surrogate model screens over 10,000 possible metal-oxide supports for a platinum nanocatalyst to prevent sintering under high temperatures.

Nov 25, 2025

REFINE