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Phys.org / Dating a North American rock art tradition that lasted 175 generations

The Pecos River murals are a stunning collection of monumental, multicolored rock paintings in limestone rock shelters across southwest Texas and northern Mexico. They depict human-like figures that reach up to eight meters ...

10 hours ago in Other Sciences
Phys.org / Entanglement-enhanced optical lattice clock achieves unprecedented precision

Optical lattice clocks are devices that measure the passing of time via the frequency of light that is absorbed or emitted by laser-cooled atoms trapped in a repeating pattern of light interference known as optical lattice.

13 hours ago in Physics
Phys.org / Physicist delineates limits on the precision of quantum thermal machines

Quantum thermal machines are devices that leverage quantum mechanical effects to convert energy into useful work or cooling, similarly to traditional heat engines or refrigerators. Thermodynamics theory suggests that increasing ...

15 hours ago in Physics
Tech Xplore / New insight into why LLMs are not great at cracking passwords

Large language models (LLMs), such as the model underpinning the functioning of OpenAI's conversational platform ChatGPT, have proved to perform well on various language-related and coding tasks. Some computer scientists ...

13 hours ago in Security
Phys.org / Astronomers capture an exceptional gamma-ray flare from a blazar

Astronomers have performed very long baseline interferometry (VLBI) observations of a gamma-ray loud blazar known as TXS 2013+370. The observations, posted November 19 on the arXiv preprint server, resulted in the detection ...

15 hours ago in Astronomy & Space
Phys.org / Secret behind Temple of Venus's resilient construction uncovered

The material used to build the Temple of Venus in Naples has remarkably endured even as Earth's surface around it sank from volcanic activity, and researchers were curious to know how.

15 hours ago in Other Sciences
Medical Xpress / Specific brain activity patterns predict greater control over drinking behavior, study finds

Alcohol use disorder (AUD) is among the most widespread substance use disorders (SUDs) worldwide, characterized by an impaired ability to control the intake of alcohol. For many years, psychologists and psychiatrists have ...

15 hours ago in Neuroscience
Tech Xplore / Humanoid robots reliably manipulate different objects with 87% success using new framework

Robotic systems that mirror humans both in their appearance and movements, also known as humanoid robots, could be best suited for tackling many tasks that are currently performed by human agents. These include household ...

16 hours ago in Robotics
Medical Xpress / Inhibiting a master regulator of aging regenerates joint cartilage in mice

An injection that blocks the activity of a protein involved in aging reverses naturally occurring cartilage loss in the knee joints of old mice, a Stanford Medicine-led study has found. The treatment also prevented the development ...

9 hours ago in Arthritis & Rheumatism
Medical Xpress / Bird flu viruses are resistant to fever, making them a major threat to humans

Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, one of the body's ways of stopping viruses in their tracks, according to new research led by the universities ...

9 hours ago in Medical research
Phys.org / Social media research tool can lower political temperature—it could also lead to more user control over algorithms

A new tool shows it is possible to turn down the partisan rancor in an X feed—without removing political posts and without the direct cooperation of the platform.

9 hours ago in Other Sciences
Phys.org / Watching metal crystals grow inside liquid metal: Imaging technique could boost hydrogen production

If you dissolve sugar in hot water and then cool it down, you'll see pure sugar crystals form while impurities stay in the liquid. You can even watch the beautiful sugar crystals slowly grow in the water.

10 hours ago in Chemistry