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Phys.org / Optical clock sets new accuracy record, bringing us closer to a new definition of the second

A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime.

16 hours ago in Physics
Phys.org / Flat Earth, spirits and conspiracy theories: Experience can shape even extraordinary beliefs

On Feb. 22, 2020, "Mad" Mike Hughes towed a homemade rocket to the Mojave Desert and launched himself into the sky. His goal? To view the flatness of Earth from space. This was his third attempt, and tragically it was fatal. ...

8 hours ago in Other Sciences
Phys.org / X-ray laser offers new look at protein movement inside cells

At European XFEL, researchers have observed in detail how the vital iron protein ferritin makes its way in highly dense environments—with implications for medicine and nanotechnology.

15 hours ago in Biology
Phys.org / Scientists advance quantum signaling with twisted light technology

A tiny device that entangles light and electrons without super-cooling could revolutionize quantum tech in cryptography, computing, and AI.

17 hours ago in Physics
Medical Xpress / Internet of beings: The dream of digitizing human bodies for health care (and the nightmare)

In the 1966 film Fantastic Voyage, a spacecraft and its crew are shrunk to microscopic size and injected into the body of an injured astronaut to remove a life-threatening blood clot from his brain. The Academy Award-winning ...

9 hours ago in Health informatics
Phys.org / Historical geography helps researchers solve 2,700-year old eclipse mystery

An international team of researchers has used knowledge of historical geography to reexamine the earliest datable total solar eclipse record known to the scientific community, enabling accurate measurements of Earth's variable ...

18 hours ago in Astronomy & Space
Phys.org / Physicists overcome fundamental limitation of acoustic levitation

Using sound to get objects to float works well if a single particle is levitated, but it causes multiple particles to collapse into a clump in mid-air. Physicists at the Institute of Science and Technology Austria (ISTA) ...

19 hours ago in Physics
Medical Xpress / What does it mean if I get flu after the jab? Do COVID boosters increase the risk of side-effects?

The flu season has started early this year, and we are prepared for it to be a bad one. Whether you have already had a vaccine or are thinking about getting one, here are some answers to questions you may have.

9 hours ago in Vaccination
Phys.org / Rapid weather shifts govern how plants influence climate and air quality, study finds

A new study shows that during drought, it's not how hot or how dry it is that determines gas emissions from plants—but how quickly conditions change. This discovery reshapes our understanding of the relationship between ...

16 hours ago in Earth
Phys.org / Newly discovered viral enzymes act like molecular scissors to disable immune alarm signals

Viruses and their hosts—whether bacteria, animals, or humans—are locked in a constant evolutionary arms race. Cells evolve defenses against viral infection, viruses evolve ways around those defenses, and the cycle continues.

15 hours ago in Biology
Phys.org / When Americans migrate from violent states, the risk of future violence follows them

Americans who grow up in historically violent states may move to a safer state, but they remain far more likely to die violently, according to new research co-authored at the University of California, Berkeley.

16 hours ago in Other Sciences
Phys.org / Single-photon teleportation achieved between distant quantum dots for the first time

An international research team involving Paderborn University has achieved a crucial breakthrough on the road to a quantum internet. For the first time ever, the polarization state of a single photon emitted from a quantum ...

20 hours ago in Physics