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The creator of the hugely popular AI bot ChatGPT has launched a controversial project that offers users a free share of cryptocurrency in exchange for their biometric data. Nearly four years after founding Worldcoin, OpenAI boss Sam Altman announced on Monday that the crypto wallet and app is now available in countries where it is not banned for regulatory or legal reasons. More than 1.5 million people signed up to the venture prior to its official launch, each receiving a share of Worldcoin tokens in exchange for scanning their iris using a silver orb developed by the startup. The biometric data was used to verify each individual’s “unique personhood” and ensure that no one signed up more than once. Each person will now be able to use the Worldcoin token, which is currently valued at $2.59 (£2), according to CoinMarketCap, having begun trading on Monday just below $2. Worldcoin (WLD) is similar to other cryptocurrencies like bitcoin, in that it uses blockchain technology to enable digital transactions. According to its website, people can use it for “remittances, [to] tip artists, [and] buy and sell goods and services”. The main differentiator is the way that users sign up, with privacy advocates warning that it could lead to a black market of people’s iris scans. Worldcoin has defended its technology by claiming that its orb is only used to check that a person is unique and has not signed up before. The startup’s website states: “We don’t want to know who you are, just that you are unique”. Worldcoin co-founder Alex Blania wrote in a note published on Monday that he believed Worldcoin “could drastically increase economic opportunity, scale a reliable solution for distinguishing humans from AI online while preserving privacy, enable democratic processes, and eventually show a potential path to AI-funded universal basic income.” He added: “Worldcoin is an attempt at global scale alignment, the journey will be challenging and outcome is uncertain. But finding new ways to broadly share the coming technological prosperity is a critical challenge of our time.” Worldcoin does not list the countries in which it operates – The Independent has reached out for further information – though it is not yet available in Mr Altman’s native US. The startup founder was only able to sign up himself on a trip to Europe earlier this year. “Like any really ambitious project, maybe it works out and maybe it doesn’t, but trying stuff like this is how progress happens,” Mr Altman tweeted following Worldcoin’s launch. “In either case, we especially love our haters, it gives us energy, please keep it coming.” Read More What is superintelligence? How AI could wipe out humanity – and why the boss of ChatGPT is doomsday prepping How bad is bitcoin for the environment really? Crypto experts discuss bitcoin price predictions What is Solana? The crypto rising 200-times faster than bitcoin

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Microsoft has been given approval to buy Call of Duty developer Activision, clearing the way for one of the biggest ever tech deals. The Competition and Markets Authority (CMA) said the Xbox owner could go ahead with the takeover after agreeing to buy Activision without cloud gaming rights. It puts an end to a half-year long battle between the watchdog and Microsoft, having moved to block the deal in April. But businesses and their advisors should be in no doubt that the tactics employed by Microsoft are no way to engage with the CMA Sarah Cardell, CMA's chief executive The new deal, which was initially worth 69 billion US dollars (£56.6 billion at the current exchange rate), will stop Microsoft from having a “stranglehold” over the UK cloud gaming market, the CMA said. The regulator said it would preserve competitive prices for gamers and make sure consumers get more choice. Assassin’s Creed video game maker Ubisoft is set to buy Activision’s cloud gaming rights instead. But the CMA criticised Microsoft for “dragging out” proceedings during its investigation into the merger. Sarah Cardell, the CMA’s chief executive, said: “With the sale of Activision’s cloud streaming rights to Ubisoft, we’ve made sure Microsoft can’t have a stranglehold over this important and rapidly developing market. “But businesses and their advisors should be in no doubt that the tactics employed by Microsoft are no way to engage with the CMA. “Microsoft had the chance to restructure during our initial investigation but instead continued to insist on a package of measures that we told them simply wouldn’t work. “Dragging out proceedings in this way only wastes time and money.” Brad Smith, the president of Microsoft, said the group is “grateful” for the decision to approve the acquisition which he believes will “benefit players and the gaming industry worldwide”. Additional reporting by agencies Read More Incels using TikTok to spread ‘hateful beliefs’, research suggests Duke and Duchess of Sussex call for overhaul of social media Google to trial AI in UK traffic light systems to reduce stop-and-go emissions Broadband customers face £150 hikes because of ‘outrageous’ rises – Which? Rise of AI chatbots ‘worrying’ after man urged to kill Queen, psychologist warns William hails ‘amazing’ eco-friendly start-up businesses

They may not be as stylish as a DeLorean or as sturdy as a blue police box, but wormholes in space could hold the key to real-life time travel – and a team of experts think they’ve figured out how. The trio of scientists delved deep into the laws of physics and discovered that it might be possible for humans to one day zip across galaxies in a matter of seconds, or journey through time itself. Now, this is all to do with the general theory of relativity and quantum physics, so don’t expect to get your head around it too easily. However, in their paper, Valeri P. Frolov and Andrei Zelnikov of Canada’s University of Alberta, and Pavel Krtouš of Prague’s Charles University proposed that a specific kind of wormhole would “inevitably” be “transformed into a time machine” if it was subject to particular conditions. Sign up for our free Indy100 weekly newsletter For the uninitiated, wormholes can be described as spacetimes in which a “kind of tunnel exists connecting distant parts in the universe”. The main problem with them is… they don’t actually exist. At least not in any tangible way. As Drs Eric Christian and Louis Barbier put it in an explainer for NASA: “Wormholes are allowed to exist in the math of ‘General Relativity’, which is our best description of the Universe. “Assuming that general relativity is correct, there may be wormholes. But no one has any idea how they would be created, and there is no evidence for anything like a wormhole in the observed Universe.” Still, numerous experts in the field of gravitation and general relativity have spent years or even decades working on them, including Stephen Hawking in his time. For their paper, Frolov, Krtouš, and Zelnikov explored what is known as a ring wormhole, which was first described in 2016 by theoretical physicist Gary Gibbons, of Cambridge University, and Mikhail Volkov of the University of Tours. Unlike the spherical contortions of spacetime we might attribute to black holes, the ring wormhole proposed by Gibbons and Volkov connects sections of the universe (or, indeed, different universes) which are generally described as “flat”, as ScienceAlert notes. Ring-shaped masses could potentially create some pretty remarkable distortions in what would otherwise be flat spacetime if you consider how their electrical and magnetic fields might interact. And so Frolov, Krtouš, and Zelnikov decided to consider two types of such wormholes: “a wormhole connecting to flat spaces; and a wormhole connecting two distant domains in the same space”. For the latter, they concluded that if a “massive thin shell” surrounded one of the mouths of the ring wormhole, a “closed timelike curve” would form. This, as the name suggests, would mean that any travelling object (or ray of light) would come back to the exact same point whence it began. In other words, you could travel in space and time and return to your point of departure. The most exciting aspect of ring wormholes, as the authors point out is that: “For the ring wormhole an observer passing through it moves in a flat (or practically flat spacetime), while in the case of ‘standard’ (spherical) wormholes he/she should pass a domain filled with the matter violating the null energy condition.” Even without knowing what the “null energy condition” is, you can appreciate that the first option sounds a lot simpler. Now, before you start calling yourself Marty McFly or making a list of all the past mistakes you’d like to correct, we should stress that we’re a long way off seeing the creation of a bonafide, buckle-your-seatbelt time machine. But at least, thanks to the efforts of experts like Frolov, Krtouš, and Zelnikov, we’re at least one step closer to going back in the future. 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.

SAN FRANCISCO--(BUSINESS WIRE)--May 23, 2023--

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