World news

Results: 32824
arrow_upward arrow_downward

AI model accelerates defect-based material design

Phys.org   -   Scientific News Websites

Across the physical world, many intricate structures form via symmetry breaking. When a system with inherent symmetry transitions into an ordered state, it can form stable imperfections known as topological defects. Such defects are found everywhe...

Jan 27, 2026

How defects make permanent magnets even more efficient

Phys.org   -   Scientific News Websites

Rare-earth magnets are essential for electric motors in vehicles, drones, and trains, forming the backbone of modern, environmentally friendly mobility. These are not simple blocks of metal, but carefully engineered materials with a complex intern...

Jan 27, 2026

Twisted oxide crystals show how atomic patterns alone can trap or repel electrons

Phys.org   -   Scientific News Websites

It has been revealed that simply twisting and stacking two layers of oxide crystals can allow the atomic arrangement itself to control the behavior of electrons. Much like the new patterns that emerge when two meshes are overlapped and rotated, a ...

Jan 27, 2026

A new route to synthesize multiple functionalized carbon nanohoops

Phys.org   -   Scientific News Websites

The field of nanomaterials is witnessing a transformative shift at the intersection of organic chemistry and molecular engineering. Among the most promising molecular structures are carbon nanohoops, of which [n]cycloparaphenylenes ([n]CPPs) are a...

Jan 27, 2026

Gold 'supraballs' nearly double solar energy absorption in tests

Phys.org   -   Scientific News Websites

Sunbeams contain a lot of energy. But current technology for harvesting solar power doesn't capture as much as it could. Now, in ACS Applied Materials & Interfaces, researchers report that gold nanospheres, named supraballs, can absorb ne...

Jan 27, 2026

Novel nanomaterial uses oxidative stress to kill cancer cells

Phys.org   -   Scientific News Websites

Scientists at Oregon State University have developed a new nanomaterial that triggers a pair of chemical reactions inside cancer cells, killing the cells via oxidative stress while leaving healthy tissues alone. The study led by Oleh and Olena Tar...

Jan 27, 2026

Spectral slimming for single-nanoparticle plasmons

Nanowerk   -   Nanotechnology Websites

Researchers have developed a new strategy to overcome a long-standing limitation in plasmonic loss by reshaping light-matter interactions through substrate engineering.

Jan 27, 2026

Green hydrogen from water splitting via unique two-dimensional photocatalysts

Nanowerk   -   Nanotechnology Websites

Study demonstrats a new strategy for engineering the surface and functional properties of 2D SrTiO2 perovskite nanoplatelets through the hydrothermal transformation of Aurivillius phase Bi4Ti3O12 nanoplatelets.

Jan 27, 2026

3D Material mimics graphene's electronic speed without the fragility

Nanowerk   -   Nanotechnology Websites

Researchers show hafnium stannide can host graphene-like electron flow in a robust 3D structure, paving the way for scalable low-energy computing technologies.

Jan 27, 2026

Engineers etch tiny pits into metal tubes to create unsinkable aluminum

Nanowerk   -   Nanotechnology Websites

Researchers have developed a new process that turns ordinary metal tubes unsinkable - meaning they will stay afloat no matter how long they are forced into water or how heavily they are damaged.

Jan 27, 2026

REFINE