Parallaxhttps://puretensor.xyz/Parallax is an independent review of science and technology: every finding, and the argument against it.en-GBOne flash, a mile under South Dakotahttps://puretensor.xyz/lz-one-event/https://puretensor.xyz/lz-one-event/Tue, 01 Sep 2026 09:00:00 +0000PhysicsThe LZ experiment has recorded a nuclear recoil that no known background explains. At 2.6 sigma it is not a discovery. It is something rarer: a clean anomaly in the most carefully swept room on Earth, and the collaboration has chosen to show its working in public.Antarctica gained 695 billion tonnes of icehttps://puretensor.xyz/antarctic-mass-gain/https://puretensor.xyz/antarctic-mass-gain/Sun, 06 Sep 2026 09:00:00 +0000ClimateIt was the largest gain in the satellite-gravity record. It was caused by warming. And it has already stopped.The magnets are in. Now comes the plasma.https://puretensor.xyz/sparc-first-plasma/https://puretensor.xyz/sparc-first-plasma/Fri, 11 Sep 2026 09:00:00 +0000EnergySPARC is about 80 per cent assembled and aiming at first plasma in 2027. The bet it represents is narrower, and more testable, than the word fusion suggests.One infusion, one year, half the cholesterolhttps://puretensor.xyz/ctx310-one-year/https://puretensor.xyz/ctx310-one-year/Fri, 28 Aug 2026 09:00:00 +0000MedicineA first-in-human CRISPR therapy was still holding LDL down 52.5 per cent twelve months after a single dose. The result is genuinely new. So is the class of question it opens.What would it take to believe the research intern is real?https://puretensor.xyz/research-intern/https://puretensor.xyz/research-intern/Sat, 12 Sep 2026 09:00:00 +0000MachinesOpenAI says it hit its September 2026 target: a system that can complete well-defined research tasks that would take a skilled human several days. The claim is testable. Nobody has agreed on the test.Two nanometres, sold out until 2028https://puretensor.xyz/n2-sold-out/https://puretensor.xyz/n2-sold-out/Mon, 14 Sep 2026 09:00:00 +0000SiliconTSMC's newest node is booked through 2028 and ten of its fifteen announced customers are building for the datacentre. The scarcest thing in the supply chain is no longer the lithography.Roman opens the widest eye we have flownhttps://puretensor.xyz/roman-launch/https://puretensor.xyz/roman-launch/Sun, 30 Aug 2026 09:00:00 +0000SpaceA 4.3-billion-dollar observatory built around a donated spy-satellite mirror left Kennedy on 30 August. Its job is the other dark problem — the one LZ is not looking for.The lungs were not the targethttps://puretensor.xyz/glp1-airways/https://puretensor.xyz/glp1-airways/Wed, 09 Sep 2026 09:00:00 +0000MedicineIn UK records covering some 80,000 patients, semaglutide was associated with nearly 40 per cent fewer asthma attacks — and the other drugs in its class were not.