Phys.org news

Phys.org / Self-adapting fiber component tackles heat challenges in high-power fiber lasers

Thulium fiber lasers, operating at a wavelength of 2 micrometers, are valued for applications in medicine, materials processing, and defense. Their longer wavelength makes stray light less damaging compared to the more common ...

19 hours ago in Physics
Phys.org / Scientists rule out fourth neutrino in particle physics mystery

Scientists have taken a major step toward solving a long-standing mystery in particle physics, by finding no sign of the particle many hoped would explain it.

22 hours ago in Physics
Phys.org / X-ray imaging reveals how silicon anodes maintain contact in all-solid-state batteries

All-solid-state batteries (ASSBs) using silicon (Si) anodes are among the most promising candidates for high-energy and long-lasting power sources, particularly for electric vehicles. Si can store more lithium than conventional ...

20 hours ago in Nanotechnology
Phys.org / Precise catalyst design boosts hydrogen gas production efficiency and affordability

A recent advance in the science of hydrogen fuel production could enable higher output and more sustainable production of this renewable energy source, researchers with Stockholm's KTH Royal Institute of Technology report.

20 hours ago in Chemistry
Phys.org / Bumble bees launch a three-stage defensive response when their nest is disturbed

Bumble bees respond to physical disturbance of their nest with a sequence of defensive behaviors that lasts up to 10 minutes, according to a study by Sajedeh Sarlak at the University of Konstanz, Germany, and colleagues.

21 hours ago in Biology
Phys.org / Deciphering the heavyweights of the tetraquark world

The CMS collaboration reports the first measurement of the quantum properties of a family of tetraquarks that was recently discovered at the LHC.

21 hours ago in Physics
Phys.org / Complex life developed nearly 1 billion years earlier than previously thought, study reveals

Complex life began to develop earlier, and over a longer span of time, than previously believed, a new study has revealed. The research sheds new light on the conditions needed for early organisms to evolve and challenges ...

Dec 3, 2025 in Biology
Phys.org / Astronomers warn satellite growth may contaminate nearly all space telescope data

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could contaminate almost all the images taken by space telescopes, NASA astronomers warned Wednesday.

22 hours ago in Astronomy & Space
Phys.org / Simulations reveal how black holes generate intense light from infalling matter

Surprisingly, some of the universe's brightest objects are black holes. As scorching gas and dust flow around and into a black hole, they glow with fierce intensity across the light spectrum. Now, a team of computational ...

23 hours ago in Astronomy & Space
Phys.org / Electrical oscillations in microtubules link cytoskeleton to neuronal signaling

Researchers at UT San Antonio have uncovered new details about electrical signals happening within nerve cells, deepening scientists' understanding of the brain.

21 hours ago in Biology
Phys.org / AI-powered vision gives meaning to wildfire chaos

How wildfires spread is more variable and unpredictable than Canada's standard models assume, new research from UBC Okanagan data scientists shows.

20 hours ago in Biology
Phys.org / Sperm tails and male infertility: Critical protein revealed via ultrastructure expansion microscopy

Male infertility is a major issue worldwide and its causes remain unclear. Now, an international team of researchers led by Hiroki Shibuya at the RIKEN Center for Biosystems Dynamics Research (BDR) in Japan has discovered ...

21 hours ago in Biology