Black holes are the most confusing things out there in the universe and no-one really knows what they are – at least, that’s our very basic grasp of it. Now, though, a new study has posited a theory that black holes are structures created by unseen cosmic dimensions - or topological stars. And just to make it a little more confusing, these topological stars exist purely in the hypothetical realms of mathematics. Researchers at Johns Hopkins University have been exploring string theory, which posits that particles in the universe are actually tied to extra (hidden) dimensions through vibrating strings. Sign up to our free Indy100 weekly newsletter According to their findings, hypothetical topological stars could exist for real in the universe and they’re essentially formations of nothing which could appear in space. The study finds that topological stars would appear “remarkably similar to black holes in apparent size and scattering properties, while being smooth and horizonless”. The study, which was published in Physical Review D, found that these stars which until now have only existed in hypothetical form, look an awful lot like the black holes out in the universe. “String theory is a theory that reconciles quantum physics and gravity into a quantum gravity theory,” study leader Pierre Heidmann said. Speaking to Motherboard, he said: “Usually when you have a new theory like that, you have new degrees of freedom that come with it, and you can try to see what new fundamental objects can arise from that.” Co-author of the study Ibrahima Bah added: “It’s an interesting question to ask: Are there things other than a black hole [that] will give you a hint about what new physics could look like?” “But before you get there, you need to know how to tell whether you have a black hole or not, and to do that you have some prototype examples of things that are not black holes to be able to compare." As ever, black holes remain the most mysterious, and the most fascinating things out there. 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.

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TikTok is planning to pour “billions of dollars” in Southeast Asia over the next few years, aiming to drive growth in one of its biggest markets amid heightened scrutiny in the U.S. The company’s CEO, Shou Zi Chew, made the announcement Thursday during a speech at a TikTok forum in the Indonesian capital Jakarta

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China’s unofficial death toll from recent flooding hit 62 after the capital reported more victims, although a full

Sam Altman might still return to OpenAI after his ouster from the company, Microsoft chief Satya Nadella hinted. Chaos erupted at OpenAI on Friday as the company’s board abruptly fired its founder and chief Mr Altman, saying it “no longer has confidence in his ability to continue leading OpenAI”. Later, hundreds of the ChatGPT company’s employees threatened to quit unless its board resigned. When asked on Monday whether Mr Altman would join Microsoft, that has invested billions in the ChatGPT company, Mr Nadella said he was “open to both options”. “Look, that is for the OpenAI board and management and the employees to choose,” he told CNBC. “We obviously want Sam and Greg to have a fantastic home if they’re not going to be at OpenAI,” the Microsoft chief said. “We chose to explicitly partner with OpenAI and we want to continue to do so, and obviously, that depends on the people of OpenAI staying there or coming to Microsoft,” Mr Nadella had said. Microsoft later officially announced it was hiring Mr Altman and OpenAI co-founder Greg Brockman, who resigned on Friday. “Extremely excited to share the news that Sam Altman and Greg Brockman, together with colleagues, will be joining Microsoft to lead a new advanced AI research team,” Mr Nadella said in a post on X. “We look forward to moving quickly to provide them with the resources needed for their success,” he said. Mr Altman’s sacking was followed by about 500 staff at the company demanding the board’s resignation and the reinstatement of their dismissed boss. The employees signed a letter demanding OpenAI’s board resign and reinstate Mr Altman, claiming the decision to oust him jeopardised the company’s work. The letter was reportedly signed by several senior staff at OpenAI. Mira Murati, the company’s chief technology officer who was appointed as the interim chief following Mr Altman’s exit, was one of the signatories. Another signatory, Ilya Sutskever, the company’s chief scientist and one of the board members, expressed “deep regret” over the decision to remove Mr Altman. Employees at the company’s headquarters reportedly refused to attend an emergency all-hands meeting with new OpenAI boss Emmett Shear that was scheduled on Sunday. Some had responded to a Slack announcement with a middle-finger emoji, according to reports. Mr Nadella also said “it’s clear something has to change around the governance” at OpenAI. “We’ll have a good dialogue with their board on that, and walk through that as that evolves,” he said. Mr Altman said on X that his “top priority” remains to “ensure OpenAI continues to thrive”. “We are committed to fully providing continuity of operations to our partners and customers,” the ousted tech boss said on Monday. “We have more unity and commitment and focus than ever before. We are all going to work together some way or other, and I’m so excited. one team, one mission,” Mr Altman said. Read More OpenAI staff ‘threaten to quit over ousting of Sam Altman’ Microsoft’s new AI tool cleans up messy backgrounds in video calls First carbon capture plant opens in the US to help avoid climate catastrophe One of the world’s most hyped tech products just launched – and made a big mistake Musk files defamation suit against Media Matters over Nazi X post claims ‘We are broken’: Armenia looks to technology to rebuild

Georgia election officials have been aware of existing vulnerabilities in the state's voting software for more than two years but continue to insist the system is safe and won't be updated until after 2024, according to a report that was unsealed this week as part of a controversial court case in Georgia.

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