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A mile-long nuclear-powered ship for 80,000 people has been “about to break ground” for three decades

The renderings are gorgeous. A mile-long vessel, 800 feet wide, 30 decks high, gliding across the open ocean with parks, schools, a 15,000-seat sports stadium, and enough residential space for 50,000 permanent inhabitants. Nuclear-powered, perpetually circumnavigating the globe, never docking in port. A floating city, in the most literal sense. The Freedom Ship has been […]

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AI leaders call for tougher protections against AI-aided bioweapons

Some of the AI industry’s biggest rivals have put their many, many grievances aside for a common cause: making it harder for people to use their technology to develop biological weapons. In an open letter to US lawmakers, tech leaders are pressing Congress to enact rules closing what they say is an alarming biosecurity gap […]

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Trans teens have something to say

By the time the Children’s Hospital closed its doors to trans patients, Sage had already stopped taking testosterone. A nonbinary high school student, they originally received treatment for the rapid onset of puberty. The changes their body experienced felt frightening and sudden. They developed PMOS, a relatively common hormonal disorder that can lead to hair […]

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Microsoft used agentic AI to make its quantum chip 1,000 times more reliable, then cut its timeline to a scalable quantum computer in half

Microsoft has unveiled Majorana 2, a next-generation topological quantum chip whose qubits are 1,000 times more reliable than those in the first Majorana chip introduced last year. The improvement is so significant that Microsoft has cut its timeline for achieving a scalable quantum computer from 2033 to 2029, halving the original target. The company credits […]

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A German startup raised $240 million to commercialise the only fusion experiment that has ever produced net energy

Focused Energy, a Germany-based fusion startup, has raised an oversubscribed $240 million Series A round to develop a commercial reactor based on the same approach that produced the world’s first controlled fusion reaction with net energy gain. The round, led by German utility RWE, brings the company’s total private capital to $300 million. Focused Energy […]

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Microsoft’s next-gen quantum chip cuts timeline to useful quantum computing

Microsoft claimed last year that it had made a key breakthrough in quantum computing with Majorana 1, the company’s first quantum processor. While physicists were immediately skeptical of Microsoft’s claims, the software giant is announcing Majorana 2 today, the next generation of its topological quantum chip. Majorana 2 contains qubits, a unit of information in […]

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The world’s mathematicians just issued a formal declaration telling AI companies to stop using their work without permission

A coalition of mathematicians from institutions including Oxford, Cambridge, ETH Zurich, Columbia, and Northwestern has published a formal declaration calling on the mathematical community to confront the threats that artificial intelligence poses to their discipline. The Leiden Declaration on Artificial Intelligence and Mathematics, released on Monday and endorsed by the International Mathematical Union, is the most […]

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