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.

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.

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.

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.

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.

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.

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 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.

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.

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.

New research highlights that people living with severe mental illness die more than 10 years earlier than the general population. Researchers point to contributing factors behind the gap, which is widely attributed in the field to physical health conditions going undertreated, higher rates of smoking and cardiovascular disease, medication side effects, and poorer access to healthcare. The finding has renewed calls to close the life-expectancy gap for this group.

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.

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.

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.

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.

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.

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.

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.

Researchers have used a quantum computer to simulate how matter can emerge from pure energy, a process linked to pair production in which energetic particles such as photons convert into particle-antiparticle pairs. The demonstration shows how quantum hardware can model fundamental physics processes that are extremely difficult to capture with classical computers, offering a new tool for studying high-energy phenomena.

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.

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.

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.

The soundtrack compilation 'GTA 6: The Album' will be released physically on vinyl and CD, according to Mashable. Physical editions of video game soundtracks have become popular collector's items, and the Grand Theft Auto series has a long tradition of curated in-game radio music. Fans are discussing the announcement ahead of the game's release.

India head coach Gautam Gambhir is making player fitness the central priority in the team's buildup to the 2027 ICC Cricket World Cup. The approach signals that selection and workload management will be tied closely to physical readiness, with the tournament in South Africa, Zimbabwe and Namibia seen as the long-term target for the squad's core players.

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.

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.