Phys.org news

Phys.org / Direct observation of spontaneous magnon coherence at room temperature

Researchers at RPTU University Kaiserslautern-Landau have achieved a key experimental breakthrough: For the first time, the spontaneous macroscopic coherence of magnons—the quantized excitations of magnetic materials—has ...

3 hours ago
Phys.org / Frame-dragging observations validate Einstein yet again

More than a century after Albert Einstein first transformed our understanding of gravity, his general theory of relativity continues to withstand ever more demanding experimental tests. Now, an international team led by Ignazio ...

7 hours ago
Phys.org / Ancient Roman farm women made wine, oil and profits. Historians dismissed them as 'housekeepers'

Female farm managers are hidden in plain sight in ancient Roman texts, mentioned in laws, literature and grave inscriptions across five centuries. Modern historians have generally assumed they were housekeepers, in charge ...

2 hours ago
Phys.org / DNA origami turns secret messages into nano–Morse code that acts as multiplayer molecular encryption

Mathematics has always been at the core of securing information. From online banking to government communications, modern society relies on cryptography, in which complex mathematical algorithms transform readable information ...

3 hours ago
Phys.org / 'Gus' the T. rex fetches record $50.1 mn at US auction

A Tyrannosaurus rex skeleton nicknamed "Gus" sold Tuesday for $50.1 million at Sotheby's in New York, making it the most valuable dinosaur fossil bought at auction after a 10-minute battle between seven bidders.

2 hours ago
Phys.org / World-first neutron lens brings sharp focus to structures inside materials and objects

Researchers at Paul Scherrer Institute (PSI) have developed the world's first achromatic lens for neutron imaging. The lens overcomes a longstanding obstacle in the field: focusing neutrons of different wavelengths well enough ...

2 hours ago
Phys.org / Two atmospheric patterns may explain why some heat waves in Europe persist

Many parts of Western Europe are currently wilting under a heat wave. These blistering spells can last for a week or more, and although they are common in most summers, it is difficult to predict how long they will last.

4 hours ago
Phys.org / Onion-like chemical halos may surround phytoplankton that power half of global photosynthesis

The interactions between microscopic algal cells and bacteria in the oceans play a pivotal role in the global carbon cycle. Researchers at ETH Zurich have now taken an important step toward deciphering the chemical language ...

2 hours ago
Phys.org / Data-driven tool can find mineral biosignatures on other worlds

A technique for judging whether a common mineral formed through biological activity could aid the search for ancient life on Earth and Mars. Apatite is a ubiquitous phosphate mineral found in terrestrial and extraterrestrial ...

2 hours ago
Phys.org / Study reveals Hawaiian hotspot is getting hotter

Contrary to conventional geological thinking, the Hawaiian mantle plume has gotten hotter by about 250°C (480°F) over the past 47 million years. This discovery, led by Earth scientists at the University of Hawai'i at Mānoa, ...

6 hours ago
Phys.org / Space cargo costs could fall more than 90% by 2040, study suggests

The expense of launching cargo into space will plummet over the next few years, with the cost of reaching orbit forecast to more than halve between now and the end of the decade, and fall by around 93% by 2040, according ...

7 hours ago
Phys.org / How supermassive black holes feed themselves

Astronomers are closer to solving the mystery of how supermassive black holes feed themselves thanks to new images from the James Webb Space Telescope, or JWST. The images provide the clearest view ever seen of gaseous filaments ...

3 hours ago