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Plus: NATO is building a network to stop Russian attackers in their tracks. I was really looking forward to July 4, and not just because I love a poolside barbecue. This year the American holiday also marked a big symbolic deadline for US nuclear power. Last year the Trump administration set a goal to see three new microreactors achieve criticality, a technical milestone establishing that a reactor can sustain a chain reaction, by the nation's 250th birthday. And just in time, not just three, but four reactors did so. But achieving criticality doesn't mean a reactor is ready to provide electricity for the grid (or at all, for that matter).

Follow this section to personalize your feed and get instant alerts. Follow Go to your personalized feed WHY FOLLOW? Smart Alerts: Get notified about major news as it happens. Follow this tag to personalize your feed and get instant alerts. Follow Go to your personalized feed WHY FOLLOW? Smart Alerts: Get notified about major news as it happens. In early June, Tenzin Gyatso, the 14th Dalai Lama, was wheeled into an operating room at Apollo Hospital in New Delhi. Spiritually, His Holiness is an emanation, or of the bodhisattva Chenrezig, who renounced nirvana to help mankind.

PCWorld reviews Bunny Ears TV, a new Apple TV app that transforms your Plex Media Server library into 24/7 streaming channels with cable-like navigation. The app creates up to 26 themed channels from personal video collections, offering ad-free channel surfing with DVR controls and customizable features. Despite some usability issues and bugs, it provides an effective alternative to ad-heavy free streaming services for $3/month or $30 lifetime. While lots of free streaming services offer lineups of live TV channels to flip through, they all have the same problem: You're not in control of the content, and you're constantly interrupted by ads. A new app called Bunny Ears TV aims to solve those problems with help from Plex Media Server. If you have an Apple TV box and your own collection of movie or TV files in Plex, Bunny Ears TV can spin them into dozens of round-the-clock streaming channels with practically no effort. It's a neat app that mimics the channel surfing of cable using your own content, but unlike with cable, there are no commercial breaks.

SpaceXAI launches Grok 4.5, its first built with Cursor's help SpaceXAI launches Grok 4.5, its first built with Cursor's help SpaceXAI has launched the first Grok model after its rebranding from xAI and the first one it trained with AI company Cursor . The company says Grok 4.5 is its smartest model yet, built specifically to excel at coding, agentic tasks and knowledge work. It was trained across tens of thousands of NVIDIA GB300 GPUs on datasets full of coding, science, engineering and math information. The model, SpaceX claims, outdoes other leading models at real engineering tasks and is highly proficient at creating functional apps with minimal instructions. In the example above, Grok 4.5 was able to generate an interactive simulation of the solar system with a single prompt.

Phone cluster computing turns old smartphones into low-carbon data center servers. Google says UC San Diego plans to launch a 2,000 Pixel phone data center in Fall 2026.

An evolutionary psychologist is challenging the popular understanding of kids and technology. W hen the 82-year-old psychologist Peter Gray describes the way he grew up, he punctuates the anecdotes by saying that modern parents would be arrested for letting a child have such fun. When he was 4 years old, he would walk to a store in Minneapolis to buy cigarettes for his grandmother. When he was 11, he would sometimes stay home from school in Hill City, Minnesota, to operate a newspaper printing press owned by his mother and stepfather. His parents were not arrested, and that's because the childhood they permitted him to have was basically normal at the time, even if his family did have a newspaper printing press in the house. As a boy, Peter was obsessed with fishing and baseball; neighborhood friends taught him how to ride his bike and catch grasshoppers. Although Gray's career as a scientist would begin with laboratory studies of rat hormones, he eventually found his way to writing about his childhood, in a fashion.

PCWorld suggests that older, discounted laptops often provide better value than new models, as processor improvements have become incremental rather than revolutionary. The AI boom has driven up memory and storage costs for new laptops, while previous-generation models with 16GB RAM and 512GB storage remain highly capable. This approach matters because newer laptops frequently don't justify their higher prices with significant real-world performance improvements over well-specced older alternatives. The smartest laptop to buy in 2026 may not be a 2026 laptop. That's why PCWorld's laptop deals roundup has become one of the most useful things we publish. Now, more than ever, I'm convinced that the latest laptops -- and, heck, even the latest tech products -- simply don't offer enough real-world improvement to justify their higher prices. Indeed, cheaper laptops from previous years often deliver better alignment between performance and pricing. Some of this, you already know. Do the vast majority of PC users need the latest and greatest keyboard?

Self-Driving Cars Are Interfering With First Responders. NHTSA administrator Jonathan Morris called reports that self-driving cars had driven into emergency scenes and blocked ambulances and firefighters "unacceptable." The head of the top US road safety agency cautioned autonomous vehicle developers in a letter Wednesday about what he called an "unacceptable" pattern of driverless cars interfering with the work of law enforcement and other first responders. "To state it bluntly: An AV that cannot safely interact with first responders is a danger to the general public," Jonathan Morrison, the administrator of the National Highway Traffic Safety Administration (NHTSA), wrote in a letter that he described as a "call to action" for technology developers. Morrison wrote that NHTSA has documented a " clear pattern" of interference over the last few months, including incidents in which the vehicles drove into active emergency scenes, blocked ambulances and firefighters, and didn't respond in situations involving flashing lights, fire, and traffic cones.

University of Alabama student found dead alongside her friend and the dog he was pet sitting after animal's owner saw suspicious activity on her doorbell camera Trump says Iran wants to make a deal'so badly' after unleashing 90 fresh airstrikes as Tehran retaliates across the Gulf Justin Baldoni and wife Emily break two-year silence to slam Blake Lively and accuse her of causing them'pain' with'untruthful' claims: 'There is so much more to say' Deadly bacteria found in major US city's wastewater system tied to Mark Zuckerberg's $800m data center Prince Harry and me: A small white pill, 'naughtiness' and why I wish I could erase our friendship from my memory. Spectacular downfall of'America's best doctor': Life of private planes and luxury cars comes crashing down after shocking double life is exposed Tragic details of Storage Wars star Darrell Sheets' handwritten suicide note revealed... two months after his death at 67 Margaret Qualley and Jack Antonoff's fight that ruined their ...