Phys.org news

Phys.org / Novel particle beam could challenge Einstein's theory of gravity

Does gravity act equally on all particles in the universe, or are there differences between ordinary and exotic matter? Physics professor Anna Soter and her team at ETH Zurich and the Paul Scherrer Institute (PSI) in Villigen ...

4 hours ago
Phys.org / Laser altimeter BELA ready to explore Mercury's surface

Launched on Oct. 20, 2018, the joint ESA/JAXA BepiColombo mission has traveled for almost eight years, using a carefully planned but eventful sequence of planetary flybys and solar-electric propulsion to gradually approach ...

2 hours ago
Phys.org / A 5,000-year-old royal mystery: Digital clues point to Meretneith as Egypt's female king

More than 5,000 years ago, a royal woman named Meretneith (also written as Merneith) lived in ancient Egypt. She was possibly the daughter of Djer, the third king of the First Dynasty, a period when the first kings ruled ...

3 hours ago
Phys.org / Bubbles the food-stealing dolphin finds shortcut to easy meal

A dolphin that harasses fish until they regurgitate their food—then swoops in to steal it—has astonished University of the Sunshine Coast researchers who have documented this novel feeding strategy.

3 hours ago
Phys.org / Indigenous Australian population was much larger than previously thought and decimated after First Fleet's arrival

Australia had a much larger Indigenous population before the arrival of Europeans than previously thought, according to new research. The research also demonstrates much larger population losses resulting from colonization ...

8 hours ago
Phys.org / Responsibilities in close social relationships explain Eastern–Western cultural differences

Do you think that a person who reorganizes their life so that their aging parents can live with them would be likely to push another out of the way on the subway? What about greeting strangers with a smile? The answers to ...

8 hours ago
Phys.org / Robots and AI uncover unexpected pathway in classic 135-year-old chemical reaction

Chemical reactions are often written as simple equations: Starting materials go in, and a product comes out. In reality, the same substrates can follow many different pathways depending on their concentrations, temperature, ...

3 hours ago
Phys.org / Rivers may be carrying more microplastics into the world's oceans than previously thought

Microplastics are a modern environmental menace and a potential threat to human health. These tiny pieces of plastic, measuring from 1 to 5,000 micrometers, come mainly from larger plastics as well as sources such as paints ...

23 hours ago
Phys.org / Tough vehicle and construction plastics dissolve into reusable material with low-waste method

A new recycling technique could help tackle a major challenge: breaking down some of the toughest plastics without generating large amounts of waste.

17 hours ago
Phys.org / First confirmed Diplodocus outside North America reshapes Late Jurassic migration picture

In a discovery that challenges our understanding of dinosaur distribution during the Late Jurassic period, paleontologists have identified the first evidence of the iconic Diplodocus outside North America.

21 hours ago
Phys.org / New light-emitting nanoparticles can detect subtle chemical differences

A team of researchers from University of Toronto Engineering has created a new type of dye-sensitized nanoparticle that can detect target chemicals at very low concentrations while also distinguishing between molecules with ...

18 hours ago
Phys.org / Room-temperature skyrmion-based synapses could pave the way for energy-efficient AI

Artificial intelligence is transforming how information is generated, processed and stored, but its rapid expansion is also driving unprecedented demand for computing power and electricity. Developing hardware that can process ...

18 hours ago