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Feb 27, 2023

Study supports the concept of atherosclerosis as a T-cell autoimmune disease targeting the arterial wall

Posted by in category: biotech/medical

In a recent study published in Nature Cardiovascular Research, researchers assessed T-cell tolerance checkpoints observed in atherosclerosis.

Atherosclerosis is a chronic inflammatory disease of the arteries. It is characterized by the presence of atherosclerotic plaque present in the inner layer of arteries. Plaques that rupture result in strokes or heart attacks. Significant innate immune cells that contribute to atherosclerosis have been identified.

In addition, certain subtypes of T cells, such as CD4+ regulatory T (Treg) cells and CD8+ T cells, promote or suppress the illness in mice. Yet, fundamental problems regarding T cell immunity noted in atherosclerosis are unanswered. In particular, it is unknown whether T cell responses linked with atherosclerosis are incident in the circulation.

Feb 27, 2023

Xiaomi unveils lightweight AR glasses with ‘retina-level’ display

Posted by in categories: augmented reality, mobile phones

While the chatter around the metaverse has slowed down, both social media companies and phone manufacturers have been experimenting with tech that could lead to commercial AR glasses. At the Mobile World Congress (MWC) in Barcelona, Xiaomi unveiled its new prototype Wireless AR Glass Discovery Edition, which weighs 126 grams and has a “retina-level” display.

Xiaomi has used a pair of MicroLED screens with a peak brightness of 1,200 nits and free-form light-guiding prisms to recreate an image. The company said that when PPD (pixels per degree) reaches 60, humans can’t perceive individual pixels. The Xiaomi AR glass display boasts 58 PPD, so that’s close enough.

Xiaomi said it is using electrochromic lenses to adjust viewing in different light conditions. The glasses also have a complete blackout mode for a fully immersive experience — kind of making it like a VR headset.

Feb 27, 2023

‘Brain-eating’ amoeba case in Florida potentially tied to unfiltered water in sinus rinse

Posted by in category: futurism

A person in Charlotte County, Florida caught a rare “brain-eating” infection.

Feb 27, 2023

Researchers Say They Managed to Pull Quantum Energy From a Vacuum

Posted by in categories: particle physics, quantum physics

A team of physicists claims to have pulled energy out of a vacuum, Quanta reports — a trick that required them to teleport it from a different location using quantum tech.

The work builds on previous research by Tohoku University theoretical physicist Masahiro Hotta, who back in 2008 claimed to have found a way to produce negative energy, a seemingly counterintuitive aspect of quantum theory, inside a quantum vacuum.

In simple terms, instead of extracting something from nothing, the energy was “borrowed” from somewhere else, taking advantage of the idea of quantum entanglement, the fact that two subatomic particles can change their state in line with the other, even when the two are separated by a distance.

Feb 27, 2023

The Moon Is Drifting Away From Earth

Posted by in category: space

Science_Hightech — operanewsapp.

Feb 27, 2023

The Milky Way’s Black Hole is Devouring a 278 Trillion Mile Gas Cloud

Posted by in category: cosmology

It could give us a front row seat to elusive black hole behavior.

Feb 27, 2023

ESA prepares Euclid spacecraft to probe dark energy and dark matter

Posted by in category: cosmology

ESA’s Euclid project manager said it is a “cosmic embarrassment” that we do not know more about these mysterious forces.

The European Space Agency (ESA) will launch its Euclid space observatory in the coming months to investigate the mysterious cosmic phenomena known as dark matter and dark energy.

ESA plans to shed new light on dark energy and dark matter.

Continue reading “ESA prepares Euclid spacecraft to probe dark energy and dark matter” »

Feb 27, 2023

New “dumb” AI chatbot offers goofy fun replies you can’t ignore

Posted by in categories: entertainment, robotics/AI

It’s called 2dumb2destroy, and it lives up to its name.

Acting stupid can be fun. So, some developers produced a goofy little chatbot called “2dumb2destroy.” The system is trained on entertaining datasets that emerge from crap like all seven “Police Academy” movies, quotes and lines from the Naked Gun films, Pauly Shore features, the sayings of Homer Simpson, Ralph Wiggum quotes, and a lot more useless but fun stuff.

It was created by the developer of OpenAI’s GPT-3, Craig Shervin and Steve Nass, who met while working at a New York advertising agency.

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Feb 27, 2023

A hydrogen-powered autonomous ship could help decarbonize maritime transport

Posted by in categories: government, robotics/AI, sustainability, transportation

The ship could be ready by the autumn of 2024.

A consortium of companies in the U.K. has bagged a GBP 5.4 million (US$6.46) government grant to build the world’s first liquid hydrogen-powered autonomous vessel and its allied infrastructure, a press release said. The grant is aimed at helping decarbonize the maritime sector.

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Feb 27, 2023

10,000 USD chips from NVIDIA aim to power the AI revolution

Posted by in category: robotics/AI

Its A100 chip has the world’s fastest memory bandwidth at over 2 terabytes per second (TB/s).

Advanced language models powered by Artificial Intelligence have taken the technology industry by storm of late. Platforms like Google and Microsoft are racing to integrate AI capabilities into their search engines after OpenAI’s revolutionary model ChatGPT led the way in integrating AI to produce outstanding results.

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