World news

Results: 32659
arrow_upward arrow_downward

Nanowire platform reveals elusive astrocytes in their natural state

Phys.org   -   Scientific News Websites

Scientists have engineered a nanowire platform that mimics brain tissue to study astrocytes, the star-shaped cells critical for brain health, for the first time in their natural state.

Nov 24, 2025

Manufacturing the world's tiniest light-emitting diodes

Phys.org   -   Scientific News Websites

Miniaturization ranks as the driving force behind the semiconductor industry. The tremendous gains in computer performance since the 1950s are largely due to the fact that ever smaller structures can be manufactured on silicon chips.

Nov 24, 2025

Record-setting charge mobility in germanium-silicon material points to energy-saving quantum chips

Phys.org   -   Scientific News Websites

Most modern semiconductors are fabricated of or on silicon (Si), but as devices get smaller and denser, they dissipate more power and, as a result, are reaching their physical limits. Germanium (Ge)—once used in the first transistors of the 1950s—...

Nov 24, 2025

Sloshing ferrofluids harness vibration energy: A new spin on powering tomorrow's wearables and IoT

Phys.org   -   Scientific News Websites

Modern devices, from fitness trackers and smart garments to Internet of Things (IoT) sensors, require compact and sustainable power sources. In new research published in Scientific Reports, scientists present an energy harvester based on a horizon...

Nov 24, 2025

Novel nanowire platform reveals elusive astrocytes

Nanowerk   -   Nanotechnology Websites

Scientists have engineered a nanowire platform that mimics brain tissue to study astrocytes, the star-shaped cells critical for brain health, for the first time in their natural state.

Nov 24, 2025

Scientists capture footage of crystals growing in liquid metal

Nanowerk   -   Nanotechnology Websites

Researchers have successfully grown platinum crystals in liquid metal, using a powerful X-ray technique giving rare insight into how these delicate crystals form and grow.

Nov 24, 2025

Germanium on silicon sets mobility record for next-generation chips

Nanowerk   -   Nanotechnology Websites

A strained germanium epilayer on silicon achieves a record hole mobility, enabling faster low-power electronics and scalable quantum-ready semiconductor platforms.

Nov 24, 2025

Manufacturing nanoscale organic light-emitting diodes (OLEDs)

Nanowerk   -   Nanotechnology Websites

A new one-step process miniaturises OLEDs to smaller than their emitted wavelength, enabling precise control of light direction and polarisation for displays, sensors and optical uses.

Nov 24, 2025

The first fully biodegradable piezoelectric nanoparticle takes aim at brain cancer

Nanowerk   -   Nanotechnology Websites

The first fully biodegradable and biocompatible piezoelectric chitosan nanoparticle uses ultrasound to trigger localized stress signals in glioblastoma cells, reducing proliferation and promoting apoptosis.

Nov 24, 2025

Grapherry develops scalable process for producing graphene from carbon waste

Graphene Info   -   Scientific and Educational Websites

Grapherry, a Chicago-based clean-tech materials company, has developed a method for producing graphene from carbon waste at industrial scale. This process aims to make high-quality, cost-effective graphene more accessible for practical applications.

Nov 24, 2025

REFINE