List of All Articles with Tag 'ci'

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.

The California attorney general's office will review the decision not to charge a security guard in the fatal shooting of a suspected shoplifter last month at a Walgreens store in downtown San Francisco, it said Tuesday.

Pep Guardiola has called on the Premier League to make a swift decision on Man City's financial charges.

It feels like every day there’s a science story that comes along ready to blow our tiny minds, and today is no exception. A series of ancient interconnected cities have been discovered in the remote El Mirador jungle Guatemala, and it’s changing our entire understanding of the ancient civilisation. More than 400 settlements have been uncovered with some dating back as far as 1,000 BC. They’re linked by roads too, and it’s led them to be described as “the first freeway system in the world”. Sign up to our free Indy100 weekly newsletter Richard Hansen, a research professor at the University of Idaho, is an expert on the project and he’d called the findings a “game-changer”. It was previously thought that the Mayan peoples were nomadic, but these cities have changed the scientific community’s understanding. Speaking to the Washington Post, Hansen said: "We now know that the Preclassic period was one of extraordinary complexity and architectural sophistication, with some of the largest buildings in world history being constructed during this time.” On top of the 110 miles of interconnected roads, the discoveries also showed evidence of organised agriculture and even hydraulic systems. The findings are the result of work which first began in 2015, which saw lidar technology uncovered signs of ancient structures below the surface. Archaeologist Enrique Hernández, from San Carlos University said about the findings: “Now there are more than 900 [settlements]… We [couldn’t] see that before. It was impossible,” he said. 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.

By Aditi Shah and Navamya Ganesh Acharya NEW DELHI/BENGALURU (Reuters) -Ride-hailing platform Uber Technologies is stepping up its efforts to

Manchester City manager Pep Guardiola said he wants the financial charges leveled against the club to be settled "as soon as possible."

Spain's football federation has ordered a five-game partial stadium ban at Valencia's Mestalla Stadium following racist abuse suffered by Real Madrid star Vinícius Jr. during the teams' La Liga match there on Sunday.

Deutsche Bank and Citigroup have admitted anti-competitive activity by exchanging sensitive information on UK government bonds between 2009 and 2013, Britain's anti-trust watchdog said Wednesday, as it provisionally found five banks in breach of competition rules.

Valencia will seek to appeal a five-game stand ban issued by the Spanish FA in relation to the racist abuse aimed at Real Madrid winger Vinicius Junior.

TOKYO (Reuters) -Japanese e-commerce and fintech conglomerate Rakuten Group Inc will raise up to 294.2 billion yen ($2.18 billion) by

The two Koreas are in a space race. The North is upgrading its space center to accommodate the

Cathay Pacific Airways said Tuesday it had fired three cabin crew members after a passenger complained of discrimination on a flight from mainland China, an incident that angered Hong Kong officials and underscored the pressure on the city's flag carrier to please Beijing.