Phys.org news

Phys.org / Thinner wires, faster electrons: Quantum material challenges copper at chip scale

Electrical interconnects may very well be the unsung heroes of modern microchips. These tiny wires—typically made of copper due to its high conductivity—string together the billions of transistors that drive our computers ...

Jul 17, 2026
Phys.org / Sun holds 55% more silver than estimated, new model reveals

Researchers at Uppsala University have calculated that the sun contains 55% more silver than previously estimated. The results are based on more realistic modeling of the sun's atmosphere and resolve a long-standing problem ...

Jul 17, 2026
Phys.org / Prototype bicycle tire uses silk to outperform nylon in strength and endurance

Researchers in Thailand have developed a prototype high-performance bicycle tire that replaces conventional nylon fabric reinforcement with natural silk. The team combined laboratory-scale material testing with pilot-scale ...

Jul 17, 2026
Phys.org / AI-designed proteins help scientists see inside living cells

Cells are like metropolises, home to millions of molecular residents. If one were to stand atop a high-rise, trying to identify most of its inhabitants would seem an impossible task. Even with the sophisticated imaging tools ...

Jul 17, 2026
Phys.org / Canadian wildfire smoke linked to fewer bird sightings in New York State

Despite burning hundreds of miles away, Canadian wildfires have become a familiar source of disruption in New York state.

Jul 17, 2026
Phys.org / Australia's most diverse marsupial predators have been hiding their origins for millions of years

When you think of carnivorous marsupials, you probably picture the Tasmanian devil or perhaps a spotted-tailed quoll. But these famous predators are only the largest members of a remarkable family of marsupials called dasyurids.

Jul 17, 2026
Phys.org / Researchers identify 'dimmer switch' for plants' immune system

As sulfur becomes increasingly scarce in soils worldwide, scientists are studying how plants decide whether to invest limited resources in growth or defense.

Jul 17, 2026
Phys.org / Portable system cuts PFAS testing time to hours

For communities worried about PFAS contamination, waiting for test results can mean days of uncertainty. A University of Tasmania trial has used a mobile laboratory equipped with portable liquid chromatography-mass spectrometry ...

Jul 17, 2026
Phys.org / To learn how tough a material is, engineers find its breaking point

A recent study examined a transparent material used in high-impact applications such as helicopter windshields at the molecular level to measure its toughness. Researchers at the University of Illinois Urbana-Champaign and ...

Jul 17, 2026
Phys.org / How an influx of salt may affect microbial ecosystems in rivers, estuaries and coastal waters worldwide

As sea levels rise due to climate change, encroaching seawater will likely make freshwater environments saltier. In a new study, MIT researchers have shown how that increase in salinity might affect microbial ecosystems found ...

Jul 17, 2026
Phys.org / How human activities compromise coral health and resilience

Human activities are fundamentally altering the chemical makeup of coral reefs, according to a study led by the University of Hawai'i at Mānoa and published in Nature Communications. The research team discovered that 25 contaminants ...

Jul 17, 2026
Phys.org / Bones reveal ancient Egyptian princesses born 4,000 years ago used weapons

For decades, scientists have disputed the meaning of the weapons found in the burial chambers of some ancient Egyptian princesses. Were they symbolic or practical tools? Now, a reassessment of five royal women's mummies from ...

Jul 17, 2026