Physicists at the University of Vienna have experimentally measured the rotation rate of our planet using maximally path-entangled quantum states of light in a large-scale interferometer.
Grapene’s unusually high conductivity and favorable mechanical properties could further the development of flexible electronics, new batteries, and innovative composite materials for aeronautics and space flight. However, the development of elastic and tough films remains a challenge.
In the journal Angewandte Chemie (“A Stretchable and Tough Graphene Film Enabled by Mechanical Bond”), a research team has now introduced a method to overcome this hurdle: they linked graphene nanolayers via “extendable” bridging structures.
Cartoon representations of the fabrication process of RBG films and toughening mechanism of mechanical bond. Upon applied force, the hidden chain of [2]rotaxane was released due to intramolecular motion, resulting in an increased interlayer slip distance. It follows that the mechanical performance of RBG films were improved when mechanical bond was introduced.
Delicious.
Science publisher Springer Nature has developed two new AI tools to detect fake research and duplicate images in scientific papers, helping to protect the integrity of published studies.
The growing number of cases of fake research is already putting a strain on the scientific publishing industry, according to Springer Nature. Following a pilot phase, the publisher is now rolling out two AI tools to identify papers with AI-generated fake content and problematic images — both red flags for research integrity issues.
Continue reading “Springer Nature cracks down on AI research fraud using AI tools” »
Scientists from the Berlin Institute of Health at Charité (BIH) and Open Targets together with colleagues from the University of Cambridge, and Addenbrooke’s Hospital in Cambridge, U.K., uncovered mechanisms driving regeneration of the liver during chronic liver disease. This regenerative process allows the liver to repair itself when chronically injured but could also result in progression toward cancer.
The researchers were able to demonstrate this first by performing single-cell analyses on many biopsies obtained from patients with progressive metabolic dysfunction-associated steatotic liver disease (MASLD).
The results obtained in vivo were validated using cultured organoids in the laboratory. The scientists have now published their results in the journal Nature.
Large language models (LLMs), such as the GPT-4 model underpinning the widely used conversational platform ChatGPT, have surprised users with their ability to understand written prompts and generate suitable responses in various languages. Some of us may thus wonder: are the texts and answers generated by these models so realistic that they could be mistaken for those written by humans?
Astronomers at MIT, NASA, and elsewhere have a new way to measure how fast a black hole spins, by using the wobbly aftermath from its stellar feasting.
The method takes advantage of a black hole tidal disruption event—a blazingly bright moment when a black hole exerts tides on a passing star and rips it to shreds. As the star is disrupted by the black hole’s immense tidal forces, half of the star is blown away, while the other half is flung around the black hole, generating an intensely hot accretion disk of rotating stellar material.
The MIT-led team has shown that the wobble of the newly created accretion disk is key to working out the central black hole’s inherent spin.
Centenarians, once considered rare, have become commonplace. Indeed, they are the fastest-growing demographic group of the world’s population, with numbers roughly doubling every ten years since the 1970s.
How long humans can live, and what determines a long and healthy life, have been of interest for as long as we know. Plato and Aristotle discussed and wrote about the ageing process over 2,300 years ago.
The pursuit of understanding the secrets behind exceptional longevity isn’t easy, however. It involves unravelling the complex interplay of genetic predisposition and lifestyle factors and how they interact throughout a person’s life.
Physicists have delved deeper into the enigmatic world of quantum entanglement and top quarks, bringing a new level of understanding to a phenomenon that even Albert Einstein found perplexing.
This incredible feat has the potential to revolutionize our understanding of the quantum realm and its far-reaching implications.
The experiment, conducted by a team of researchers led by University of Rochester physics professor Regina Demina at the European Center for Nuclear Research (CERN), has yielded a significant result.
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