Fysik & material

Scientists analyzed light reflected from a binary asteroid before and after NASA's DART spacecraft deliberately crashed into it last year. The findings suggest that dust composition—not how particles are arranged—determines how asteroids scatter light, a discovery that could improve how we track and characterize near-Earth objects for planetary defense.EN

Researchers have identified which gravitational resonances drive near-Earth asteroids into dangerously close solar orbits, where they eventually disintegrate. The discovery could improve asteroid-tracking models used for planetary defense and long-term risk assessment of collision threats to Earth.EN

Europe's Gaia space telescope uncovered 500,000 previously undetected stars in omega Centauri by using a new image-analysis technique designed for crowded celestial regions. The breakthrough demonstrates how algorithm innovations can extract value from existing data—a lesson relevant to any organization managing large, complex datasets where standard methods hit their limits.EN

A new study shows spacecraft can be designed for reuse rather than scrapped after one mission, potentially cutting costs and reducing orbital debris. Researchers found that deliberate design choices—treating space hardware like consumer goods with circular economy principles—could transform how the industry operates and make long-term space exploration economically viable.EN

Researchers have developed a new way to measure gas temperature using laser-induced plasma, achieving high precision without disrupting the original molecular state. The method could improve quality control in chemical manufacturing, combustion diagnostics, and industrial processes where accurate real-time temperature data is critical.EN

Researchers have engineered a method to turn orange processing waste into high-performance thin films by adding sugar and a chemical binder, eliminating structural defects that previously limited their use. The advance could enable food packaging and other industries to replace petroleum-based plastics with compostable alternatives while reducing agricultural waste.EN

Researchers have identified why PbSe converts heat to electricity more efficiently than chemically similar competitors—a discovery that could accelerate development of thermoelectric devices for waste-heat recovery in industrial and automotive applications. The finding, based on quantum simulations, reveals unusual atomic vibrations that suppress heat flow, a property that manufacturers can now target when engineering next-generation energy materials.EN

Researchers have solved a technical barrier that has limited quantum experiments for decades, making it possible to definitively prove quantum systems behave in ways classical physics cannot explain. The breakthrough matters because quantum-secure communications and computers depend on validating these quantum properties in real-world systems.EN

New research on how rumors spread through social networks reveals that a person's number of friends doesn't linearly predict gossip damage—a finding that upends conventional wisdom. The work, validated against Facebook data, offers insights for reputation management and suggests that network structure, not just individual connectivity, determines how far damaging information travels.EN

Researchers have experimentally confirmed a decades-old theory about how plasma shells become unstable when compressed by colliding flows. The finding could improve predictive models for inertial confinement fusion—a leading candidate for commercial fusion energy—and refine simulations used in weapons science and astrophysics.EN

Researchers have solved a persistent problem with organic ferroelectric materials: they lose their stored electrical charge too quickly. By applying weak electric fields and operating devices just above their phase transition temperature, scientists extended data retention to over 12 hours—potentially opening new markets for flexible, biodegradable electronics and low-power memory devices.EN

Researchers discovered that popular computational methods for predicting material properties contain mathematical flaws near orbital boundaries, causing calculations to become unreliable or crash. The finding exposes a fundamental limitation in tools used across semiconductors, batteries, and pharmaceuticals—industries that depend on these simulations to screen materials before expensive lab work.EN

Researchers found that microscopic surface wrinkles in phosphorene—a promising semiconductor material—significantly alter how the material behaves in magnetic fields. The discovery suggests engineers can fine-tune the material's electrical properties for next-generation sensors and electronics, potentially opening new applications in devices operating under 10 tesla magnetic fields.EN

Researchers demonstrated precise optical control of chromium impurities embedded in silicon carbide and gallium nitride—two materials already used in power electronics and RF devices. The advance could accelerate development of quantum computers and spintronic devices by providing a practical way to manipulate and read spin states without complex external equipment.EN

Researchers have solved a long-standing problem in scandium nitride by using magnesium doping to flip its electrical properties from n-type to p-type. The breakthrough enables the creation of high-performance semiconductor devices for thermoelectrics and advanced electronics, opening a commercially viable path for a material previously hampered by uncontrollable native defects.EN

Researchers have identified critical problems in a popular computational shortcut used to model materials and molecular behavior—findings that could affect the reliability of predictions in drug discovery, battery design, and semiconductor development. The flaw stems from a mathematical assumption that, while theoretically elegant, produces erratic results in real-world applications.EN

Researchers found that epitaxial graphene exhibits unusual, contradictory electrical behavior near its charge neutrality point when exposed to strong magnetic fields—a phenomenon tied to substrate-induced asymmetries. The discovery could inform efforts to build graphene-based electronics and quantum devices, where controlling such effects is critical for device performance.EN

Researchers found that elongating silver-coated silica nanoparticles dramatically improves their ability to kill bacteria, with implications for wound care, water treatment, and medical devices. The shape tweak—not just material composition—drives antibacterial potency, offering manufacturers a simple way to boost product effectiveness without developing entirely new materials.EN

Researchers have engineered a biosensor using organic semiconductors that detects disease-causing proteins at concentrations 10 times lower than conventional methods. The breakthrough could accelerate point-of-care diagnostics and drug development, particularly for inflammatory diseases where early detection saves lives and reduces treatment costs.EN

Researchers have synthesized a two-dimensional zirconium carbide that maintains its structural integrity at high temperatures far better than existing alternatives. The finding opens doors for more durable energy storage devices and high-performance electronics that can operate reliably in demanding industrial and aerospace applications.EN

A new paper proves that certain interpretations of quantum mechanics violate basic thermodynamic principles, offering the first physical evidence to resolve a century-old theoretical dispute. The finding could reshape how quantum technologies are designed and validated in industries from computing to sensing.EN

Researchers have demonstrated that a class of organic molecules can achieve genuine ferroelectric switching—a property previously thought to require inorganic materials. The finding opens a path to cheaper, flexible electronics for memory devices and sensors by using carbon-based compounds instead of traditional ceramic materials.EN

Researchers have identified how light energy moves between different-sized quantum dots stacked in layers, a finding that could improve efficiency in next-generation displays and optoelectronic devices. Understanding these energy pathways helps manufacturers optimize light-emitting materials and reduce power consumption in consumer electronics.EN

Researchers have identified how a $1-per-gram compound can dramatically improve polymer solar cell performance, achieving 10.1% power conversion efficiency. The finding matters because it points to a scalable, low-cost path for making organic solar panels more practical for commercial production.EN

Researchers have demonstrated that silicon carbide—a material already used in the semiconductor industry—can detect magnetic fields with high precision at room temperature. The breakthrough could enable a new class of compact, affordable sensors for medical diagnostics, quantum computing, and autonomous systems without requiring extreme cooling or expensive equipment.EN