Inside a former Anglican church in central Montreal, crucifixes, prayer benches and candlesticks have been replaced by books and chessboards -- part of an effort by developers and community groups...

This year has already brought us a crop of stunning, stylistically varied animated films like

By Stella Qiu SYDNEY Most Asian share markets were subdued on Friday and the dollar held onto its

Apple is about to launch its first new platform in almost a decade, and what could be its most decisive product since the iPhone. A new mixed reality headset is due to be launched during its Worldwide Developers Conference event on Monday, though it might not arrive then. When it is revealed, it could decide the future of Apple, its users and the devices that everyone uses. Here’s everything we know about the headset, ahead of Monday’s likely big reveal. Price One thing has been discussed at length about the headset: how much exactly it will cost. And most of that discussion has agreed that the answer will be a lot. Rumours have pointed at $3,000 for the first version of the headset, which would make it very expensive even among the otherwise expensive Apple products. That high price is likely to be a result of the high-end components that are required to power the headset, which is rumoured to have significantly higher performance than its competitors. Apple is said to be expecting far fewer people to buy the headset than would buy its other products. As such, the high price might not translate to high revenues, and Apple might not be expecting it to. There is some chance, however, that all of those rumours are wrong; when the iPad was released, everyone though it would cost $999, and Steve Jobs took great joy in delighting in having proven the “pundits” wrong when he unveiled it at $499. It’s helpful for Apple if people think that it will cost more and they can then reveal that it’s actually just quite expensive, rather than very expensive. Release date Monday is almost certain to be the day the headset is revealed. But it would be very surprising indeed if it went on sale any time after that. Recent rumours have suggested that it will not actually be on shelves – or however it is sold – until much later in the year. It’s likely that Apple will want it ready for the important holiday period, which would mean getting it on sale in October or November. Apple, under Tim Cook, has developed a much-envied knack for announcing products and having them ready to go soon after, even when they are sold in such vast quantities as the iPhone. But it has still left big gaps between the announcement and the introduction of a product in the past, especially when they represent a whole new platform. The Apple Watch was announced during the September release event for the iPhone 6, but it did not actually arrive until the end of the following April. The move to Apple Silicon for Macs was announced in June 2020, at WWDC, but the first computers using it did not actually arrive until the following November. Those delays meant that Apple could be prepared, ensuring that it could have enough of the hardware made in time and not have to worry about the design or other details leaking. But waiting also meant that developers could be prepared, too, and ensure that their apps and other software were ready for the new platform. Spec Apple is said to be very focused on ensuring that the headset brings a high-quality experience. That means a much more luxurious specification than existing headsets at this kind of price point. That includes very detailed and powerful displays. Reports have suggested that it could offer up to 5,000 nits of brightness – enough for HDR – and a total 8K resolution from two Micro OLED displays that should allow for rich detail and fast response times. It is set to be powered by equally high-level hardware. It will have two chips that ensure it is able to work on its own without a companion device, reports have indicated, and provide stable and quick output. Design Leaked designs have suggested that the headset will look something like the AirPods Max combined with an Apple Watch: the same unapologetic aluminium used on both of those devices, and the soft material that it is combined with to make them actually wearable. That would certainly make sense, since Apple has always been focused on ensuring that its products do not just look nice on their own but sit well together, too. And it will no doubt have learned plenty from its earlier work in wearable devices, including headphones and watches. But little has leaked about what the headset will actually look like. Apple could opt to go for some other look entirely. Sensors VR headsets need sensors both to know where they are and to know what their user is doing. The headset is expected to include a strong array of them. It will use 3D sensors to know where users hands are, as well as any other objects. They are likely to be similar to the LiDAR tools that are in the iPhone and iPad, and can already be used for mapping rooms, for instance. It wil also have tools to detect more about the person wearing it, too. Reports suggest that it will be able to see people’s facial expressions, as well as including microphones for voice control through Siri. It is also expected to include more standard cameras, that will allow users to see the real world and overlay virtual objects on it. That will be controlled using a dial similar to the one on the Apple Watch and AirPods, which can be used to add more or less of the real world, reports have indicated. The headset is also likely to be able to connect to the iPhone for some uses, such as text input. And it will probably be able to use other earphones, such as the AirPods – Apple has already been working hard on “spatial audio” features for them, which would slot in nicely with virtual reality. Software Apple is said to be working on a new AR/VR operating system for the headset, with rumours suggesting that it could be called xrOS or realityOS. But there has been little reported about how exactly that software will work. It will probably be based on Apple’s other platforms – which all have a fairly consistent look – tailored so that users can see it in 3D space. Apple has been rumoured to be working on augmented reality versions of its own apps, such as FaceTime. And part of the reason for launching at WWDC is probably so that it can help developers start working on their apps, too. But one of the key unanswered questions is how the will all work, both individually and within that broader operating system. Problems? No major platform of this kind could be without problems. But numerous reports have suggested that the new headset could have a few more than most. Throughout its development, some both within and outside Apple have argued that the product is either not a good fit or is not ready yet in its current form. At the same time, others have pressed on, arguing that it is better to get some version of the headset out into the world and develop it from there. Even in recent days, as the release of the headset nears, reports have suggested issues. Bloomberg’s Mark Gurman reported that even in current testing the headset appears to be getting hot, for instance. Another headset? The mixed reality goggles, due to be released at WWDC, are thought to be just one part of Apple’s big plan for augmented and virtual reality. Apple is also said to be working on a separate headset that could be released at a later date, and for a lower price. Eventually, too, Apple might want to take some of the technology from the goggles and integrate them into glasses that allow people to see the world normally but with virtual objects imposed on top. Rumours have long suggested that is the eventual aim – but it might never come. Read More Apple is about to update all its products – and release a very big new one Mark Zuckerberg reveals new VR headset ahead of Apple Apple gives update on the App Store ahead of expected headset reveal Major leak reveals details of Apple’s VR headset days before unveiling Apple is going to reveal something else alongside its headset, rumours suggest Trust and ethics considerations ‘have come too late’ on AI technology

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Regular daytime naps could be good for brain health, new research suggests. Daytime napping could slow the rate at which brains shrink as we age, the study led by researchers at UCL and the University of the Republic in Uruguay found. The researchers hope their findings into the health benefits of sleeping during the day will reduce any stigma that still exists around daytime napping. The study suggests the average difference in brain volume between people programmed to be habitual nappers and those who were not was equivalent to 2.6 to 6.5 years of ageing. Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older Dr Victoria Garfield, UCL Senior author Dr Victoria Garfield, MRC Unit for Lifelong Health & Ageing at UCL, said: “Our findings suggest that, for some people, short daytime naps may be a part of the puzzle that could help preserve the health of the brain as we get older.” The study, published in the journal Sleep Health, analysed data from people aged 40 to 69. Past research has suggested people who have had a short nap perform better in cognitive tests in the hours afterwards than those who did not nap. The new study looked at whether there was a causal relationship between daytime napping and brain health. Researchers looked at 97 snippets of DNA thought to determine people’s likelihood of habitual napping. They compared measures of brain health and cognition of people who are more genetically programmed to nap with people who did not have these changes in DNA, using data from 378,932 people from the UK Biobank study. They found that, overall, people predetermined to nap had a larger total brain volume. The genetic variants – DNA changes – influencing the likelihood of someone to nap were identified in an earlier study looking at data from 452,633 UK Biobank participants. But the researchers did not find a difference in how well those programmed to be habitual nappers performed on three other measures of brain health and cognitive function. Lead author and PhD candidate Valentina Paz, University of the Republic (Uruguay) and MRC Unit for Lifelong Health and Ageing at UCL, said: “This is the first study to attempt to untangle the causal relationship between habitual daytime napping and cognitive and structural brain outcomes. “By looking at genes set at birth, Mendelian randomisation avoids confounding factors occurring throughout life that may influence associations between napping and health outcomes. “Our study points to a causal link between habitual napping and larger total brain volume.” Dr Garfield added: “I hope studies such as this one showing the health benefits of short naps can help to reduce any stigma that still exists around daytime napping.” Read More Dramatic rise in the number of women freezing their eggs Paramedics who found ‘poisoned’ couple dead in Mexico hotel room also fell ill Bruce Willis’ family honours him with first Father’s Day tributes since announcing his dementia diagnosis Richard Ford on Frank Bascombe, getting older and literary feuds: ‘At my age I can’t get into fistfights’ Families’ ‘disappointment’ as Croydon tram disaster driver cleared

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