Scientists are trying to work out the source of dark matter. A group want to house a giant international particle detector that would be built 3,000ft underground in a working mine in Boulby, North Yorkshire to find the cause of the mysterious space matter. “We are entering the last-chance saloon to show that these particles are the cause of dark matter, and we want to make sure Britain is at the heart of that work by building the final generation of these detectors,” physicist Professor Chamkaur Ghag of University College London told the Observer. Scientists know the universe contains more matter than can be seen directly because they can see galaxies held together in clusters when they should be flying apart. Extra mass must be generating more gravity and holding these galaxies together, Most researchers think particles called weakly interacting massive particles – Wimps - are the source of dark matter. But these Wimps are hard to detect so scientists are trying to have a proper stab at it by combining resources and working in one Yorkshire site. “And what we are striving to do in Britain is to get it built at Boulby. Essentially, we want the last-chance saloon for Wimps to be built in the UK,” said Ghag. Dark matter accounts for around 85 per cent of the universe’s mass.There are also mines in South Dakota, and near Rome in Italy that are also hunting for Wimps which could provide answers. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

Facebook-parent Meta plans to lower the minimum age for its virtual reality headsets from 13 years old to 10 years old, despite pressure from lawmakers not to market its VR services to younger users.

Meta has unveiled its new artificial intelligence system “Llama 2” rivalling the likes of OpenAI’s ChatGPT chatbot. The Facebook parent company’s chief Mark Zuckerberg said on Tuesday that the new AI system, created after partnering with Microsoft, is free to use for research and commercial purposes in contrast to its competitors. Microsoft also said it aims to “democratise AI and its benefits” with the launch of Llama 2. A previous version known as Llama, had been launched in February, but leaked onto the internet in March and was tinkered with by the public since. Compared to some of their Big Tech rivals developing large AI language models, Meta and Microsoft said they seek to provide “an open approach”, offering researchers and companies a peek into the data and code they use to build their AI. “We believe an open approach is the right one for the development of today’s AI models, especially those in the generative space where the technology is rapidly advancing,” Meta noted in a blog post. “Giving businesses, startups, entrepreneurs, and researchers access to tools developed at a scale that would be challenging to build themselves, backed by computing power they might not otherwise access, will open up a world of opportunities for them to experiment, innovate in exciting ways, and ultimately benefit from economically and socially,” the tech giant noted. The new AI system Llama 2 is in contrast with other chatbots like ChatGPT by OpenAI and Bard by Google that are not open source. “Open source drives innovation because it enables many more developers to build with new technology,” Mr Zuckerberg said in a Facebook post. “It also improves safety and security because when software is open, more people can scrutinize it to identify and fix potential issues. I believe it would unlock more progress if the ecosystem were more open, which is why we’re open sourcing Llama 2,” he said. However, despite Meta’s claims of open-sourcing its new AI system, the data it used to build Llama 2 still remains unclear. A research paper released along with the new model says it was trained on “a new mix of data from publicly available sources, which does not include data from Meta’s products or services”, but does not mention specifically what data was used. The paper, however, noted that Meta removed data from websites containing a “high volume of personal information about private individuals”. The new AI models can be directly downloaded or via a partnership, which makes them available on Microsoft’s cloud platform Azure, Meta said. “Starting today, Llama 2 is available in the Azure AI model catalog, enabling developers using Microsoft Azure to build with it and leverage their cloud-native tools for content filtering and safety features,” it said. “It is also optimized to run locally on Windows, giving developers a seamless workflow as they bring generative AI experiences to customers across different platforms,” it said. Llama 2 is also available via Microsoft’s rival Amazon Web Services (AWS) and Hugging Face, among other providers, Meta said. Read More Threads starts limiting how many posts people can see as it is hit by spam attacks $44 billion and eight months later. It’s finally all over for Elon Musk ChatGPT rival with ‘no ethical boundaries’ sold on dark web Xbox and PlayStation sign major deal on the future of Call of Duty Microsoft changes its default typeface for only the second ever time Microsoft’s attempt to buy Call of Duty developer reaches huge new development

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