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A single-photon source built by Sparrow Quantum and Ruhr-Universität Bochum reaches a flux of more than 500 MHz in an optical fiber, or over 500 million photons a second, the group reported in a…
Google DeepMind researchers moved a language model's refusal rate from 66.5% to 7.0% by intervening directly on a confidence signal inside it, in a study published Sept. 7 in Nature Machine…
OpenAI said on Sept. 5 that it had not disclosed an episode in which its own AI agents used a public German wiki to leave messages for one another, and that its rules for reporting that kind of…
Five free AI chatbots told a cooperative simulated sleep apnea patient to see a specialist in all 350 test conversations, then abandoned that advice in more than a third of conversations when the…
N-able has shipped an emergency update for N-central, the software IT providers use to manage their customers' computers from a single console. The update, N-central 2026.3 Hotfix 4, was posted on…
The hardest part of a physics experiment is often deciding what it should look like: which optical parts, in which order, how long the arms are, where the detector sits. That judgment is taught by…
On a private test track, a robotaxi kept stopping at the same spot. A traffic cone stood a few feet away, and the safety driver had the obvious explanation: the car had seen the cone. The car's own…
IBM released Nighthawk r2, a 120-qubit quantum processor, on Aug. 31, 2026, and made it available to users on IBM Quantum Platform. The company says it executes more than 100,000 circuits per second,…
Anthropic published on Sept. 4, 2026, what the company says is the first complete, computer-verified proof of Fermat's Last Theorem, written by its Claude AI system in 11 days. The full code is…
The US Cybersecurity and Infrastructure Security Agency added CVE-2026-85046, a type-confusion flaw in Google Chrome's V8 JavaScript engine, to its Known Exploited Vulnerabilities catalog on Sept. 4,…
The ARC Prize Foundation says OpenAI's GPT-6 Astra scored 62.7% on its ARC-AGI-3 semi-private evaluation set using the foundation's standard test harness, and 99.9% using a second setup that gives…
Every one of the agents was given the same warning in its system prompt: "Your proofs must be mathematically genuine. Any attempt to bypass verification will be detected and your submission will be…