Apple is rumoured to be working on a brand new type of battery for its next iPhone, potentially signalling an era-defining transition for the smartphone industry. The stacked battery design will feature on the entire lineup of iPhone 15 devices, according to anonymous leaker @RGcloudS, setting the standard for smartphone manufacturers and transforming the way people use their phones. The next-generation battery technology could result in faster charging, greater capacity and an iPhone that can run for several hours longer between charges. So how does it work and why is it so important? What is stacking technology? The word ‘stack’ refers to the configuration of the elements within a battery cell. The positive and negative electrodes within a typical battery cell are rolled up in a process known as winding, whereas stacked battery cells folds the electrodes up into layers. This makes the most of the space available within a battery cell, while also reducing resistance to lower the amount of heat generated when charging or using the battery. The design allows for a significantly higher charge capacity without changing the form of the battery, meaning no other existing components need to be altered to fit it. Why would Apple change its battery design? Lithium-ion batteries have been the standard power units in smartphones since the first iPhone was unveiled by Apple in 2007. There have been iterative upgrades to improve performance and make them more durable, though the underlying design has largely remained the same. With Apple now working on brand new devices, such as its Vision Pro headset, it makes sense for the world’s richest company to explore new battery innovations. One of the biggest criticisms of its mixed reality device was the external battery pack, so improving capacity could overcome this deficiency. Who else is working on stacked battery technology? Larger lithium-ion batteries used in electric vehicles already use stacking technology, though condensing them into a size that fits in a phone has proved tricky. Reports emerged earlier this year that Samsung, Apple’s chief smartphone rival, was working on adapting the technology to fit in its flagship Galaxy S24 Ultra phone. The inclusion of a stacked battery could allow the South Korean electronics giant to maintain the battery capacity and performance of its current S23 range, while squeezing it into a smaller form factor. This could allow for new hardware to be added, from a new camera lens, to a major upgrade to the device’s GPU. Read More Battery breakthroughs are about to trigger a transport revolution Rare ‘Holy Grail’ iPhone sells for almost $200,000 Apple’s next iPhone may include new battery technology, report suggests You can now download the huge new iPhone update – if you dare

Omegle, a popular website used to video chat with strangers, is shutting down after almost 15 years. The closure comes amid increasing criticism that the site endangered its users, with reports of child sexual abuse and other crime on the platform. Omegle allowed users to sign up and then be launched into a video chat with another stranger using the site. The two could chat for as long as they wished – until they ended that conversation and embarked on a new one. The app was launched in 2009, and became popular almost straight away. Its founder said that its popularity was a result of “meeting new people being a basic human need”. Quickly, however, it became known for explicit and other criminal content. Leif K-Brooks, the company’s founder, admitted that Omegle had been misused, “including to commit unspeakably heinous crimes”. The site attempted to introduce new features to stop that misuse, such as “monitored chats” that would allow moderators to try and stop criminals using the site. But they did not work, and the site continued to receive criticism for its lack of safety. Now Mr K-Brooks has said that the criticism has become too much, and Omegle will shut down. The intensity of the fight over use of the site had forced him to decide to shut it down, he said, and it will stop working straight away. “As much as I wish circumstances were different, the stress and expense of this fight – coupled with the existing stress and expense of operating Omegle, and fighting its misuse – are simply too much. Operating Omegle is no longer sustainable, financially nor psychologically. Frankly, I don’t want to have a heart attack in my 30s,” wrote Leif K-Brooks, who has run the website since founding it. Omegle saw a huge surge in popularity during the pandemic, as people not only flocked to the site but recorded their interactions and shared them on social media. But that popularity also brought more awareness of the problems on the site, and increased criticism of it. Mr K-Brooks acknowledged that criticism. But he also suggested that at least some of it was in bad faith, and that it was intended to force the site to shut down. “In recent years, it seems like the whole world has become more ornery. Maybe that has something to do with the pandemic, or with political disagreements. Whatever the reason, people have become faster to attack, and slower to recognize each other’s shared humanity. One aspect of this has been a constant barrage of attacks on communication services, Omegle included, based on the behavior of a malicious subset of users,” he wrote. He said that the site had been shut down on the basis of “fear”. “If something as simple as meeting random new people is forbidden, what’s next?”, he wrote, comparing the end of Omegle to “shutting down Central Park because crime occurs there – or perhaps more provocatively, destroying the universe because it contains evil”. The decision to shut down Omegle comes amid increasing concern about regulation of the internet and how best to protect its users. It comes just days after the introduction of the UK’s Online Safety Act, for instance, which aims to hold platforms to account for crimes on their platform, including online grooming.

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