Artificial Intelligence

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The astronaut training tourists to fly in the world’s first commercial space station

For decades, space stations have been largely staffed by professional astronauts and operated by a handful of nations. But that’s about to change in the coming years, as companies including Axiom Space and Sierra Space launch commercial space stations that will host tourists and provide research facilities for nations and other firms.  The first of […]

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Why some “breakthrough” technologies don’t work out

Every year, MIT Technology Review publishes a list of 10 Breakthrough Technologies. In fact, the 2026 version is out today. This marks the 25th year the newsroom has compiled this annual list, which means its journalists and editors have now identified 250 technologies as breakthroughs.  A few years ago, editor at large David Rotman revisited

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Sodium-ion batteries: 10 Breakthrough Technologies 2026

For decades, lithium-ion batteries have powered our phones, laptops, and electric vehicles. But lithium’s limited supply and volatile price have led the industry to seek more resilient alternatives. A sodium-ion battery works much like a lithium-ion one: It stores and releases energy by shuttling ions between two electrodes. But unlike lithium, a somewhat rare element

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How next-generation nuclear reactors break out of the 20th-century blueprint

Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons. Those bump into other atoms, splitting them and causing them to emit more neutrons, which bump into other atoms, continuing the chain reaction.  That reaction gives off heat, which can be used directly or help turn water

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Good technology should change the world

The billionaire investor Peter Thiel (or maybe his ghostwriter) once said, “We were promised flying cars, instead we got 140 characters.” That quip originally appeared in a manifesto for Thiel’s venture fund in 2011. All good investment firms have a manifesto, right? This one argued for making bold bets on risky, world-changing technologies rather than

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Base-edited baby: 10 Breakthrough Technologies 2026

Kyle “KJ” Muldoon Jr. was born with a rare genetic disorder that left his body unable to remove toxic ammonia from his blood. He was lethargic and at risk of developing neurological disorders. The condition can be fatal.  KJ joined a waiting list for a liver transplant. Then Rebecca Ahrens-Nicklas and Kiran Musunuru at the

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Retailers like Kroger and Lowe’s test AI agents without handing control to Google

Retailers are starting to confront a problem that sits behind much of the hype around AI shopping: as customers turn to chatbots and automated assistants to decide what to buy, retailers risk losing control over how their products are shown, sold, and bundled. That concern is pushing some large chains to build or support their

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What is Model Collapse? Examples, Causes and Fixes

AI systems feel smarter than ever. They answer quickly, confidently, and with polish. But beneath that surface, something subtle is going wrong. Outputs are getting safer. Ideas are getting narrower. Surprise is disappearing – less aweful.  This matters because AI is increasingly involved in how we search, decide, create, and evaluate. When these systems lose

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