Phys.org news

Phys.org / Evidence identifies ancient Aboriginal mining in the Riverland

Flinders University researchers, in partnership with the River Murray and Mallee Aboriginal Corporation, have found evidence that points to 7,000 years of Aboriginal mining of stone at Sugarloaf Hill in South Australia's ...

6 hours ago
Phys.org / Novel crystal strategy delivers near-perfect zero thermal expansion from 11 K to 893 K

Almost every material expands when heated. Well-known examples include railroad tracks and concrete roadways, which feature visible expansion gaps to accommodate this effect. However, thermal expansion poses a far more acute ...

7 hours ago
Phys.org / Rising heat and humidity challenge energy-efficient data center cooling worldwide

Reliable operation of data centers has become essential to nearly all sectors of modern society, including health care, education, government services, power grid operation, banking, defense and disaster relief. New research ...

7 hours ago
Phys.org / May 2024 superstorm drew most ring current ions from Earth, not solar wind, research reveals

In May 2024, auroras were observed at unusually low latitudes across the globe, lighting up skies that rarely see such displays. Inside Earth's magnetosphere, the region of space surrounding our planet and dominated by its ...

7 hours ago
Phys.org / Semiconductor quantum dots 'reawaken' predicted Rabi oscillations, boosting quantum control

Physicists at Paderborn University have, for the first time, experimentally demonstrated the so-called "return" of Rabi oscillations in semiconductor quantum dots. The phenomenon, which was first predicted theoretically in ...

8 hours ago
Phys.org / Pacific plate's rotation gave Alaska's Aleutian Islands a later-life lift

New research by Brown University geologists confirms that the Aleutian Islands, the archipelago stretching from Alaska to Russia's Kamchatka Peninsula, experienced a massive geological uplift between 5 million and 7 million ...

8 hours ago
Phys.org / Screen reveals new proteins that control RNA processing

Researchers at the University of California San Diego have developed a large-scale screening approach that identifies proteins controlling a fundamental step in gene expression known as alternative polyadenylation (APA). ...

8 hours ago
Phys.org / European heatwave's unlikely accomplice: An ocean 'cold blob'

The heat wave battering Europe may have an unlikely partner in crime: a patch of cold ocean water south of Iceland and Greenland that can influence weather patterns over the continent.

9 hours ago
Phys.org / Secrets of how we see color revealed at the molecular level

A global team has cracked a decades-old mystery, revealing the atomic structures of the molecules in our eyes that allow us to see colors. "To understand how we detect light and perceive colors, we need to know the exact ...

11 hours ago
Phys.org / Elusive thorium–thorium bonding directly observed using Hirshfeld atom refinement

Researchers have directly visualized a rare type of chemical bond between some of the heaviest elements in the periodic table, providing experimental evidence of how these atoms share electrons in systems where this has been ...

10 hours ago
Phys.org / Ancient ocean circulation reversed Atlantic and Pacific oxygen patterns 15 million years ago

The eastern tropical Pacific Ocean is known for its large low-oxygen zones that are increasing in size, putting marine life at risk. New research shows that 15 million years ago, the opposite was true.

10 hours ago
Phys.org / Whitebait rapidly switch life cycles when earthquakes cut off route to sea

Aotearoa New Zealand whitebait can rapidly switch their life cycles in response to sudden environmental changes, new University of Otago—Ōtākou Whakaihu Waka research shows. The research is published in the journal Nature ...

10 hours ago