Fysik & material

Engineers aboard the BepiColombo mission successfully diagnosed and repaired a critical instrument malfunction during its multi-year cruise to Mercury, preventing mission loss. The recovery demonstrates how real-time troubleshooting of space hardware—where replacement is impossible—has become essential for deep-space exploration programs managing billion-dollar investments.EN

A new study identifies which mathematical models will let the Euclid space observatory achieve its mission: measuring the universe's expansion without being fooled by galaxies' mysterious alignments. Getting this right determines whether a €1.4 billion investment yields trustworthy answers about dark energy or introduces systematic errors that skew results for decades.EN

Researchers have adapted a commercial gas-exchange measurement system to work with newborn mice, enabling non-invasive tracking of metabolic changes during infection and health crises. The breakthrough could accelerate development of treatments for sepsis and other immune-driven diseases in infants, a population where current diagnostic tools remain limited.EN

Researchers at CERN have completed the most detailed measurements yet of how top quarks pair with W bosons—a rare process that tests the limits of our understanding of particle physics. The findings reveal slight deviations from theory that could point toward undiscovered particles, with implications for how accurately scientists can model fundamental forces.EN

Researchers used AI-assisted analysis of collision data to make the most precise measurements yet of how Higgs bosons couple to other particles. The technique, which requires no assumptions about what physicists expect to find, could reveal physics beyond current theory—and has immediate applications for validating particle detector designs and improving forecasts for future experiments.EN

Physicists analyzing data from CERN's Large Hadron Collider have set new limits on how vector bosons—fundamental particles that carry forces—can interact in extreme conditions. The findings constrain theoretical models that predict physics beyond our current understanding, helping narrow the search for undiscovered particles and forces that could reshape fundamental science and technology development.EN

European astronomers have mapped optical distortions in the Euclid space telescope that contaminate observational data—a problem now solved through precise mathematical models. The fix matters because Euclid's survey of billions of galaxies underpins billion-dollar cosmology research and infrastructure investments; accurate data quality directly determines the scientific and economic return on that investment.EN

Researchers have identified the ideal fabric blend for reusable incontinence products: viscose outperforms polyester and polyamide across absorption and liquid retention metrics. The findings offer manufacturers a concrete formula for optimizing garment performance and durability—a key advantage as healthcare systems and consumers shift toward sustainable, washable alternatives to single-use products.EN

An international team analyzed five years of observations searching for gamma-ray flashes that accompany high-energy neutrinos from space. The work establishes a roadmap for detecting sources of these rare cosmic messengers, potentially opening new channels for studying violent astrophysical phenomena and improving early-warning systems for transient events.EN

Researchers at CERN's LHCb experiment found no evidence of heavy neutral leptons in billions of B-meson collisions, but the null result is significant: it tightens constraints on where these hypothetical particles could hide. The findings matter because detecting such particles could reveal new physics beyond the Standard Model and reshape our understanding of fundamental forces.EN

Researchers have developed a faster, cheaper way to manufacture zinc-based battery materials by adding nitrogen during synthesis rather than after. The technique produces batteries that charge quicker and store more energy—a significant advance for electric vehicles and grid storage that could reduce manufacturing costs and timelines.EN

Researchers at Europe's largest particle detector have measured fundamental differences in how heavy quarks fragment into observable particles—findings that could improve how physicists simulate collision data and refine models used in high-energy physics. The results offer new constraints for understanding particle behavior at extreme energies, with implications for validating theoretical predictions across the field.EN

Researchers using China's BESIII detector have measured how a J/psi particle decays into rare combinations of other particles, revealing previously unmapped excited states of lambda baryons. The precision measurements advance fundamental physics knowledge that underpins next-generation particle detector design and validates theoretical models used across high-energy physics research.EN

Researchers at JET, Europe's largest fusion reactor, have demonstrated a technique to shield the hot core of fusion plasma from contaminating heavy metals—a critical step toward commercial fusion power. The findings, tested with deuterium-tritium fuel mixtures, provide a roadmap for future reactors to maintain the extreme conditions needed for sustained fusion reactions.EN

Astronomers have found that supermassive black holes at galaxy centers emit far more neutrinos than expected—potentially reshaping how scientists understand particle physics and cosmic energy production. The discovery, based on 13 years of data from the IceCube detector, could unlock new ways to study the universe's most violent objects without relying on light alone.EN

Astronomers mapping 10 billion years of cosmic history discovered that the biggest galaxies are more abundant than dark matter theory suggests they should be. The finding, based on the deepest infrared survey to date, could reshape how we understand galaxy formation and has implications for computational models used across astrophysics and cosmology research.EN

NASA's Magnetospheric Multiscale mission has discovered a sharp transition in how magnetic fields behave at the smallest scales in Earth's magnetotail—a finding that could improve our understanding of particle acceleration in space and refine models used to predict space weather that damages satellites and power grids.EN

Researchers have calculated precise atomic data for silver that will improve how astronomers measure the element in distant stars—refining our understanding of how heavy elements form in the universe. The work matters for validating models of stellar nucleosynthesis and could influence how space agencies prioritize observations of neutron star collisions.EN

Researchers identified a distinct population of ancient, metal-poor stars moving in thin orbits around the Milky Way's center—a finding that could reshape understanding of galactic formation. The discovery suggests a previously unknown merger or accretion event shaped our galaxy, with implications for models predicting how similar systems evolved elsewhere in the universe.EN

Researchers have confirmed that aging stars can spontaneously revive their magnetic fields through a counterintuitive rotation pattern, resolving decades of theoretical predictions. The discovery, made by observing a nearby subgiant star, refines our understanding of stellar aging and could improve models predicting space weather effects on Earth's technology infrastructure.EN

Scientists testing predictions for how heat moves in fusion reactors found their model nails one measurement but misses another by a factor of two. The gap suggests different physics rules apply in different regions of the reactor, a finding that could reshape how engineers design the next generation of fusion plants targeting commercial power generation.EN

A research team has demonstrated ultra-precise voltage regulation—accurate to a few parts per million—critical for detecting the universe's relic neutrinos. The breakthrough in measurement technology could accelerate fundamental physics discoveries and has implications for any precision instrumentation requiring extreme voltage stability.EN

Researchers have identified a new class of magnetic materials that manipulate electron spins using symmetry alone, without requiring expensive rare-earth elements or complex magnetic structures. The discovery could accelerate development of faster, more efficient computer chips and data storage devices by making spin-based electronics practical for mass production.EN

A major analysis of the Euclid space telescope's dark matter mapping reveals that standard statistical models fail on cosmic scales, potentially skewing cosmology findings by significant margins. The discovery could reshape how billions in future space missions interpret their most critical data.EN

Researchers have developed a faster algorithm for calculating forces in fluid dynamics and particle systems, cutting computational time while maintaining accuracy. The advance could accelerate drug discovery, materials engineering, and climate modeling—industries where simulating molecular behavior at scale remains a major bottleneck.EN