physics

Researchers have used a quantum computer to simulate particles of matter effectively appearing out of nothing, modelling a phenomenon where virtual particles become real in rapidly changing fields. The demonstration offers a new way to study extreme quantum physics that was previously out of reach of experiments, though detailed findings have not yet been widely reported.

A physicist set an AI system a notoriously difficult nine-loop problem from theoretical physics, and Claude managed to solve it. The result is drawing attention to how far large language models have come in handling complex, technical calculations once thought to be beyond their reach, and is sparking debate among researchers about AI's growing role in scientific work.

The Pentagon is requesting $30.3 million over five years to develop an AI-powered lie detector capable of reading body language remotely, without physical contact. The programme, called Polygraph Next, is included in the Defense Counterintelligence and Security Agency's 2027 budget request. The plan is drawing attention over privacy and reliability concerns, as critics question whether AI systems can accurately judge deception from a distance.

Used bookstores across Japan are reporting a fivefold surge in sales as bulk buyers purchase books by the ton, including one order of 50 tons shipped to the United States. The buyers are believed to be feeding the books into scanning facilities for AI training data, after which the physical copies are destroyed.

Big technology companies are assessing physical security risks as the conflict involving Iran escalates, with the Strait of Hormuz identified as the center of the crisis. Analysts point to immediate impacts on global markets and growing concerns over energy supply, as the strait remains a critical route for oil shipments and infrastructure tied to the tech industry's operations and data centers in the region.

Apple Music is set to open a new concert venue at Battersea Power Station in London. The venue would give the tech giant a physical space for live performances and events, adding to the landmark building's growing mix of shops, offices and entertainment. Details on capacity and opening date were not immediately given, and reaction is still forming.

A project called Roboharm is asking whether frontier robot policies, the AI models now being wired into embodied machines, actually refuse unsafe instructions. It examines how large models behave when given harmful physical commands, a question that matters as robots move into homes and workplaces. The work is drawing attention among AI safety and robotics researchers discussing whether current safeguards transfer to the physical world.

A Quanta Magazine article explaining the holographic principle in physics is being discussed on Hacker News. The idea is that gravity in a volume of space can be described by information encoded on that volume's boundary, as in the AdS/CFT correspondence, suggesting three-dimensional reality may emerge from lower-dimensional information. Commenters on the post are debating what this implies about the fundamental nature of space, time and whether reality is a projection.

A new study suggests a widely used dietary supplement can increase muscle strength even in people who do not exercise, according to a report by ScienceAlert. The finding is drawing attention because it challenges the usual assumption that strength gains require physical training, though details of which supplement, how the study was run, and how large the effect is have not been spelled out.

Researchers have reported a key early-universe measurement determined with record-breaking precision. The result refines scientists' understanding of conditions shortly after the Big Bang, though details of which quantity was measured and by which team were not provided. Such precision advances are closely watched in physics because they can confirm the standard cosmological model or expose gaps where new physics might be hiding.

Financial advisers are being urged to treat climate as a systemic risk that touches every client holding, rather than a standalone thematic investment. The argument is that climate exposure now affects valuations, insurance costs and regulation across whole portfolios, so it should be built into standard asset allocation and risk analysis instead of being handled through separate ESG or sustainability sleeves.

Brazil's CNPEM research centre is collaborating with CERN on superconducting magnet technology for a proposed 91km particle collider. The partnership would connect Brazilian scientists to the world's leading high-energy physics laboratory as CERN develops advanced magnets for a future circular collider larger than the LHC. Details of funding and scope remain limited, but the announcement signals growing international participation in next-generation collider research.

Caleb Flynn's murder trial is proceeding without a confirmed murder weapon, shifting attention to his alleged affair and his claim that an intruder was responsible. Prosecutors and defense lawyers are building their cases around these circumstances instead of physical ballistic or forensic weapon evidence, and the case is drawing attention for its unusual lack of a key piece of evidence.

Robotics startup Midcentury has come out of stealth with a $15 million seed round aimed at solving one of the field's biggest constraints: the shortage of usable training data for physical AI systems. The funding, reported by Ventureburn, positions the young company among a growing wave of startups betting that better data infrastructure will unlock progress in real-world robotics.

Chinese companies are pushing exoskeleton robots beyond industrial and medical use into the consumer mainstream, according to Nikkei Asia. The wearable robotic devices, which assist movement and reduce physical strain, are being marketed to everyday buyers as prices fall and designs improve, positioning China as a leading player in the emerging consumer robotics sector.

A man accused of attacking a murder suspect during a brawl inside an Arizona courtroom has been released. The incident involved a physical altercation during what was presumably a court proceeding, and authorities have since let the man go without further action being reported. Details about injuries or whether the murder suspect was affected have not been disclosed.

Quanta Magazine reports that although biology itself may not rely on quantum effects, the mathematics used to describe biological systems closely resembles quantum formalism. Researchers are applying quantum-like mathematical frameworks to model biological processes, suggesting deep structural parallels between the two fields even where physical quantum effects are absent.

Claude has reportedly computed a nine-loop scattering amplitude in physics, surpassing a long-standing record associated with Lance Dixon. The result concerns perturbative quantum field theory, where multi-loop amplitude calculations are notoriously difficult. Physicists are discussing whether an AI system genuinely produced a correct result at this complexity level, or whether the claim requires independent verification before it can be accepted by the community.

Researchers studying a Siberian lake report new insights into how microbial communities rebuild after the lake underwent a rare full overturn, an event in which the entire water column mixes and disrupts layered habitats. The findings shed light on ecosystem resilience in extreme environments and how microscopic life re-establishes itself after major physical disturbance.

Skild AI reports that its robot was trained with only the score as a reward, and that dribbling and tackling behaviours emerged on their own rather than being explicitly programmed. The claim highlights how reinforcement learning can produce complex motor skills without step-by-step instruction. It is drawing attention as an example of emergent behaviour in robotics and physical AI systems.

Startup Midcentury has raised a $15 million seed round to build training data for physical AI systems such as robots and autonomous machines. The funding signals continued investor appetite for startups supplying high-quality data to the physical AI sector, where collecting real-world sensor and motion data is considered a key bottleneck for training capable models.

Oregon's Paid Leave program is reminding residents that its benefits cover more than physical health: eligible workers can take up to 12 weeks of paid leave to receive treatment for mental health conditions or substance use. The coverage applies to care at licensed treatment facilities, and officials are highlighting the benefit as awareness grows around mental health needs in the workplace.

Sylvester Stallone says he developed bulimia while preparing for the 'Rocky' movies and also used steroids to get in shape for the iconic boxing role. In extreme training for the films, he restricted his eating to dangerous levels, describing a regimen that damaged his health. The candid admission sheds new light on the physical toll behind one of Hollywood's most famous franchises.

Cash hoarding is on the rise in the UK, and commentators argue it shows people still want money they can hold and use without asking permission from banks or authorities. The claim ties the surge in physical banknote holding to broader scepticism about financial institutions and renewed interest in alternative, permissionless forms of money.

Reports describe a single photon that traveled roughly 2 billion light-years before reaching Earth, a journey that current physics supposedly says should not have been possible. The claim is circulating widely, but no specific observatory, source event, or research team has been named, so the finding's details and significance remain unverified.

A new report examines how major technology companies are confronting physical security risks tied to the ongoing conflict involving Iran. The analysis also assesses Iran's broader political, economic, and military resilience, and outlines the limits of US military power in the Middle East as the war continues.