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The universe appears to be speaking to us, after a centuries old “echo” from a supermassive black hole was detected by scientists. The black hole located inside the Milky Way became active around 200 years ago and produced a sound that is now being studied. The research was published in Nature and focuses on the black hole named Sagittarius A* (Sgr A*) found 26,000 light-years away from Earth. The noise was triggered when the object consumed gas and dust, with particles moving into the event horizon. The findings could teach us more about the activity of supermassive black holes, which continue to intrigue and confound scientists. Sign up to our free Indy100 weekly newsletter Author of the research Dr Frederic Marin of Strasbourg University said: “It reveals the past awakening of this gigantic object – which is four million times more massive than the Sun. “Our work presents the missing piece of evidence that X-rays from the giant molecular clouds are due to reflection of an intense, yet short-lived flare produced at or nearby Sagittarius A*. These results can further constrain the past activity of the galactic centre.” By their very nature, black holes are difficult to study as they absorb light around them, and these new findings offer insight into a fascinating part of space. Dr Marin said: “To get an idea of the increase in intensity of the X-ray emission when the black hole emerged from its quiescent state, it is as if a single glow-worm hidden in a forest suddenly became as bright as the Sun. “These findings explain why galactic molecular clouds near Sgr A* are shining more brightly than usual. It is because they are reflecting the X-rays emitted by Sgr A* 200 years ago.” 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.

Washington's efforts to limit China's access to crucial cutting-edge technology continue.

Facebook Marketplace is the most complained-about online retail platform for selling counterfeit, poor-quality and potentially unsafe goods, Trading Standards has reported. The online giant, which enables third-party sellers to trade goods on the platform via the marketplace, was criticised for being slow to take action against problem sellers and for enabling misleading product descriptions, counterfeit goods and potentially harmful products to reappear on its platform after being taken down. A national survey by the Chartered Trading Standards Institute (CTSI) found the online giant causes its officers the most concern, as well as being unresponsive or unco-operative when contacted about problem sellers. More than half (53 per cent) of respondents representing about 50 local authorities across the UK identified Facebook as the most complained-about online marketplace – more than all of the others combined. If it wants to be seen as a proper online retailer where people can buy safe and legitimate goods, it needs to start acting like one CTSI chief executive John Herriman The CTSI’s survey, the first of its kind, also found that Trading Standards teams were unable to properly address problems with online marketplaces because of a “triple whammy” of recurring issues – unco-perative businesses, unsuitable legislation and limited resources. Just 10 per cent of Trading Standards officers said they had been able to take action against online marketplaces as a result of these three obstacles. The CTSI’s survey found that 45 per cent of officers cited a lack of co-operation from online marketplaces as a recurring problem, 63 per cent said the law as it stands is not fit for purpose and 57 per cent had received no response when attempting to contact sellers on online marketplaces. Some 59 per cent said they had been unable to locate details about where third-party sellers on online marketplaces were based and 29 per cent said they wee unable to deal with complaints about online marketplaces because of a lack of time and resources. CTSI chief executive John Herriman said: “Facebook Marketplace needs to up its game. At a time when more and more people are going online to buy things, there is a real urgency for online retailers to take their responsibilities to their customers more seriously. Currently, online marketplaces like eBay and Facebook Marketplace are operating with fewer safety regulations than traditional high street retailers, eroding fair competition and allowing the sale of unsafe goods to flood the market unabated Martyn Allen, Electrical Safety First “The fact that Facebook Marketplace is an offshoot of a social media platform rather than a service that was built as an online retailer from the ground up speaks volumes. If it wants to be seen as a proper online retailer where people can buy safe and legitimate goods, it needs to start acting like one. “Failing to take action against sellers who use their platform to mislead, rip off and potentially endanger consumers just isn’t good enough. “We are calling for all online marketplaces to take action against problem sellers, for the law to be tightened up so enforcers have more tools at their disposal to protect consumers, and for more resources that enable us to do that more effectively.” A Meta spokesman said: “We take these issues seriously and when we find listings that violate our rules, we remove them. “We also work closely with external partners and respond to valid legal requests from law enforcement and the Office for Product Safety and Standards, to prevent illegal activity on our platforms.” Phil Lewis, director general of the Anti-Counterfeiting Group (ACG), said: “Criminals rely on legal e-commerce platforms, social media, maritime freight companies, express couriers, airlines, postal services and internet hosting services to set up rogue shopping sites. “ACG is calling on government to recognise the growing international threats to our families, job-providing businesses and the economy. “Appropriate enforcement resources and a policy architecture are desperately needed to ensure the companies providing these services work alongside our enforcement authorities and businesses, to combat this intensifying threat.” Martyn Allen, technical director of the charity Electrical Safety First, said: “Sadly, the high number of complaints Trading Standards officers receive regarding online purchases comes as no surprise. Online retailers like Facebook Marketplace need to be held to account just like any other type of business, otherwise consumers and legitimate businesses lose out Yvonne Fovargue, APPG on Consumer Protection “Currently, online marketplaces like eBay and Facebook Marketplace are operating with fewer safety regulations than traditional high street retailers, eroding fair competition and allowing the sale of unsafe goods to flood the market unabated. This puts UK citizens at serious risk of injury and harm. “It’s been a year and a half since the UK Government promised publication of the Product Safety Review, which is expected to include proposals to protect British consumers when they shop online. “The time for waiting is over – the Government must prioritise publishing the Review without any further delay.” Yvonne Fovargue, chairwoman of the All Party Parliamentary Group on Consumer Protection, said: “Since the pandemic and now, with the cost-of-living crisis, more people are buying products from online marketplaces. “These consumers deserve to be treated fairly and should be able to be confident that what they buy is safe and accurately described. “Online retailers like Facebook Marketplace need to be held to account just like any other type of business, otherwise consumers and legitimate businesses lose out.” Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live UKRI announces £50 million to develop trustworthy and secure AI ‘Last Beatles record’ was created using AI, says Paul McCartney Put ‘public good’ at heart of AI and new tech, Starmer to say

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Threads, Instagram’s attempt to take over from Twitter, has finally arrived. The app is now available in more than 100 countries – though there are some notable exceptions – and can be downloaded and started up relatively easily. Here’s how to get started with the app, from downloading it to customising it to be exactly how you want it. Download the app Threads is now out for both iOS and Android, and downloading them should be straightforward. Its full names “Threads, an Instagram app” and it is readily available on both platform’s stores. You can find the App Store listing for iPhone here, and the Play Store listing for Android phones here. You can of course also search for the word “Threads”, though other apps might appear. There is some chance that clicking through to those listings might show that the app is not available. If so, that’s probably because it’s not available in your country; the app has not yet been launched in the EU, apparently because of data protection concerns related to the way that data will be passed between apps. Meta has not yet announced when people in those countries will be able to get the app. Sign in and set up Meta has built Threads to integrate with Instagram, and users can sign in with their existing accounts from that service. Opening up the app should show a user’s existing Instagram account, alongside the option to choose a new one, and clicking that begins the process of getting started. From there, users can customise their profile for Threads, choosing a name and adding a bio, or importing it from Instagram. The app will then ask about privacy settings and ask whether you want to follow accounts from Instagram, before opening up and getting started. Users might want to head into the settings to add any extra tweaks, such as blocking specific people or certain words. Other than that, the design is relatively straightforward – and should be very familiar to people who have used Instagram and Twitter already, since it is in essence a combination of the two. Users can make new posts by clicking in the bar at the bottom, or interact with existing ones by using the buttons underneath a post.

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