theoretical physics

MIT researchers told WIRED that artificial intelligence may soon become the default way to solve theoretical problems in economics, high-energy physics, and other fields. They argue AI systems are increasingly capable of assisting with the kinds of complex reasoning long handled solely by human theorists, potentially reshaping how fundamental research is conducted across multiple scientific disciplines.

MIT researchers told WIRED that artificial intelligence, having made major inroads in mathematics, may soon become the default method for solving theoretical problems in economics, high-energy physics and other scientific fields. The report suggests the shift already seen in math could spread rapidly across theoretical disciplines, raising questions about how research is done and who does it.

Researchers report surpassing what was considered a fundamental speed limit in superconductors, a long-standing bound on how quickly superconducting currents can respond or change. The result challenges established theoretical assumptions and could influence future work on ultrafast electronics and quantum technologies. Details of the experiments and their implications are still being digested by the physics community.

A new benchmark tests AI systems on theoretical physics problems, and leading models are performing strongly on it. Researchers say the results show AI moving beyond routine calculation into genuine reasoning about abstract scientific concepts. Commenters are debating whether this signals AI's arrival as a real research tool or whether the benchmark overstates what the models truly understand.

AI researcher François Chollet has described string theory as a form of hallucinated physics, arguing that decades of theoretical work have produced elaborate mathematics without experimental confirmation. His remark has drawn pushback from physicists who defend string theory's mathematical contributions, while others agree it has struggled to deliver testable predictions. The debate touches on the limits of theory-driven science.

Physicist Carlo Rovelli is presenting new ways of thinking about the nature of reality, in an interview feature with New Scientist. Rovelli, known for his work on loop quantum gravity and the relational interpretation of quantum mechanics, argues that reality may be better understood through relationships and events rather than fixed substances. The piece is drawing attention from readers interested in theoretical physics and philosophy of science.

Wormholes, long a fixture of both popular culture and theoretical physics as potential shortcuts through spacetime or 'time machines,' may be losing favor among scientists. Recent commentary suggests excitement over the concept has cooled, with researchers questioning whether wormholes can ever be observationally confirmed or practically realized, prompting debate over whether the field remains productive physics or a dead end.

A physics feature examines how increasingly precise measurements can confirm or break established theories. In physics, when experimental results diverge from theoretical predictions at high precision, it can signal new phenomena or force revisions to existing models. The piece highlights the role of precision measurement in driving fundamental discoveries and shaping what scientists accept as settled knowledge.

An astrophysicist has shared a thread on electromagnetism trivia noting that standard physics holds magnetic monopoles to be impossible: every magnet has a north and south pole, and splitting a magnet always creates a new pair of dipoles. He points out that this rule is apparently violated in certain contexts, inviting discussion about why isolated magnetic charges have never been observed despite theoretical predictions.

Physicists are revisiting the idea that the Higgs field may be metastable, meaning the Universe could in principle transition to a lower-energy vacuum through quantum tunneling. Such a 'bubble' of true vacuum would expand at near light speed, ending everything instantly and without warning. Scientists stress this is serious theoretical physics based on current measurements of the Higgs boson, not a forecast of imminent doom.

A Spanish-language introduction to the philosophy of SUM describes the 'Zero Position' as the mathematical origin point of the ΨΝ field: a point of pure self-presence from which the Witness can orient toward any region of M₄ without being captured by the GRAVIS of any particular region. The author stresses it is not mere emptiness but a structural starting point linking mathematics, physics and philosophy.

OpenAI's GPT-6 model, called Astra, is claimed to have solved 98% of new theoretical physics problems presented to it. The figure suggests a level of performance in advanced physics reasoning well beyond previous AI systems. Details on who set the problems, how the results were verified, and which institutions were involved have not been given, so the claim is so far unconfirmed.

A BBC Science Focus article argues that understanding nothingness — the quantum vacuum and the true nature of empty space — may be key to explaining dark energy, the mysterious force accelerating the universe's expansion. The piece is being shared across physics and cosmology communities, sparking discussion about vacuum energy, cosmological constants, and why theoretical predictions of empty space conflict so badly with observed values.

Boston University has announced that the physics department is mourning the death of Professor Ken Lane, with the department publishing a remembrance of his life and work. Lane was a theoretical particle physicist known for his contributions to physics beyond the Standard Model. Colleagues and students are sharing tributes to his influence on the field.

Physicists have published a retrospective tracing one hundred years of research into quantum spin, the property of particles that underpins modern technologies from MRI scanners to emerging quantum computers. The article recounts how spin, once a puzzling theoretical concept, became something scientists can measure and manipulate, and highlights how this long arc of discovery shaped today's quantum science landscape.

A new open-access publication in SciPost Physics examines long-range interactions in celestial conformal field theory. The paper, authored by Sangmin Choi, Ameya Kadhe and Andrea Puhm, appears in SciPost Phys. 21, 093 (2026) and is freely available to read. It adds to the growing body of research on celestial holography, an approach connecting scattering amplitudes to conformal field theory concepts.

Researchers have created an analog black hole in a laboratory that traps sound waves, mimicking how a real black hole captures light. The acoustic black hole, sometimes called a sonic black hole, allows scientists to study extreme gravitational physics in a controlled setting rather than observing distant cosmic objects. Findings like these are being shared widely as a striking example of how theoretical predictions about black holes can be tested experimentally on Earth.

Brian Greene, the Columbia University physicist and science communicator, has stopped teaching the university's Frontiers of Science course after more than a decade in the classroom. Greene, known for his work popularizing string theory and theoretical physics, was a longtime fixture of the core science curriculum, and his departure marks the end of a notable chapter for the course.

An Institute For Theoretical Physics has published work proposing a direct link between gravity and quantum states, suggesting gravity may have a quantum origin or interact with quantum systems. The claim touches one of physics' biggest open questions: whether gravity can be reconciled with quantum mechanics. Details of the findings and how other physicists are responding remain limited.

Physicists are discussing the concept of naturalness, a principle long used to justify theoretical models in particle physics and beyond. A commentary from Big Think explains that naturalness carries a special meaning in the field and has often guided theoretical exploration, but stresses it is a useful heuristic rather than a strict law. The discussion reflects ongoing debate over how much weight such aesthetic criteria should carry in guiding fundamental physics research.

A new theoretical derivation shows how Einstein's equations of gravity can emerge from principles of quantum information, connecting two pillars of modern physics that have long resisted unification. Researchers report that gravity's behaviour can be expressed in terms of information-theoretic quantities, a result being discussed across the physics community for its implications for quantum gravity.

Scientists are still puzzling over an ultra-high-energy particle that struck Earth's atmosphere in 2023, and one new proposal offers an exotic answer: cosmic strings, hypothetical wrinkles in spacetime left over from the early universe. Making the idea work would require a lot of cosmic strings, but researchers argue wild events may demand wild explanations, and the debate is drawing attention across physics circles.

Physicists and science commentators are debating whether wormholes remain a viable subject of scientific research or have become an untestable dead end. The discussion, highlighted in a Gizmodo piece, weighs the theoretical appeal of these spacetime shortcuts against the lack of any observational evidence or realistic way to probe them. Critics argue the field may produce mathematics but no measurable physics, while supporters see value in exploring general relativity's stranger predictions.

A new paper in Frontiers in Psychology proposes examining epilepsy using a theoretical-physics-inspired framework of multidimensional time, suggesting seizures might be better understood if brain activity is viewed across more than one temporal dimension. The perspective article is a conceptual argument rather than a clinical study, and its speculative crossing of physics and neuroscience is drawing attention from readers debating whether such interdisciplinary models can produce testable insights about seizure dynamics.

A new physics-based model suggests that intelligent systems face a fundamental trade-off: the more accurately a system predicts its environment, the more energy it must expend to do so. The findings imply that prediction and energy efficiency cannot both be maximised, with potential implications for how researchers think about learning and computation in brains and machines.

New research in quantum information science suggests possible clues to the origin of gravity, a long-standing puzzle in physics where gravity has resisted unification with quantum mechanics. Nanowerk reports on the study, which frames gravity through the lens of quantum information. If confirmed, such ideas could reshape understanding of spacetime, though experts note the work remains theoretical and will need independent verification and experimental support.

Theoretical physicist Hitoshi Murayama has been appointed the new director of the Leinweber Institute for Theoretical Physics. The appointment was announced by the University of California, Berkeley, where Murayama is a longtime faculty member known for his work in particle physics and cosmology. The move signals a new phase of leadership for the institute as it continues research in fundamental theoretical physics.

Physicists Clay Córdova and Diego García-Sepúlveda have published a new open-access paper in SciPost Physics, titled 'Non-invertible anyon condensation and level-rank dualities' (SciPost Phys. 21, 089, 2026). The work examines non-invertible anyon condensation and its connection to level-rank dualities, topics of current interest in theoretical physics. It is freely available to all readers via the journal.

A new paper in Physical Review describes a 'poltergeist mechanism' in which an early matter-dominated era in the universe amplifies scalar-induced gravitational waves. The authors show that during such an epoch, small-scale density perturbations can grow before re-entering the horizon, boosting the resulting gravitational-wave background to observable levels. Cosmologists are discussing the work as a possible route to detecting signatures of the universe's earliest moments.

New research suggests gravity may emerge from the way quantum information is organized, a claim being reported as a potentially significant step in theoretical physics. The finding aligns with long-standing ideas that spacetime and gravity could be byproducts of quantum entanglement rather than fundamental forces. Physicists and science observers are weighing what the work would mean for efforts to reconcile gravity with quantum mechanics.

A new MIT study examines the feasibility of a neutrino laser, a hypothetical device that would emit neutrinos coherently like an optical laser emits light. The research concludes that fundamental physical constraints likely make such a device impossible to build. The findings are drawing attention in physics communities interested in neutrino behavior and extreme-state matter.

A new open-access paper by Kansei Inamura has been published in SciPost Physics, titled 'Remarks on non-invertible symmetries on a tensor product Hilbert space in 1+1 dimensions'. The article appears in volume 21 of the journal and is freely available to readers. Non-invertible symmetries have become a closely followed topic in theoretical physics, so the publication is drawing attention from researchers in the field.

A physicist has proposed that laser light could transfer energy to a gravitational wave, a concept that would open a new way of interacting with ripples in spacetime. The idea, outlined in recent reporting, suggests beams of light might add energy to gravitational waves as they pass, though it remains a theoretical proposal rather than a demonstrated result. Physicists are weighing whether such an exchange could ever be tested experimentally.