Articles tagged with Magnetic Fields
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers use innovative technique called 'quantum squeezing' to dramatically speed up the search for dark matter in the lab. The team hopes to find axion particles, which are likely billions of times smaller than electrons and could explain the existence of dark matter.
Researchers developed a template-free technique to fabricate flexible cilia mimicking biological functions, with applications in transporting substances into cells or directing fluids. The cilia's motion can be controlled by a magnet, and their length can be varied from 10 to 100 microns.
Researchers use the Z machine to apply extreme gravitational pressures on super-Earths, determining which might support life. A data-supported table reveals when a planet's interior would be solid, liquid or gaseous under various pressures and temperatures.
Researchers developed more efficient magnets to control magnetic nanoparticles for targeted drug delivery. Non-symmetrical magnet combinations showed almost ten times stronger magnetic force than regular cylindrical magnets, which could potentially apply to humans too.
Researchers observed complex magnetic field behavior in a 'radio-loud' magnetar, deviating from previous theories. The findings suggest that the radio pulses originate from loops of magnetic field lines connecting two closely spaced poles.
A new type of rocket thruster could take humankind to Mars and beyond by exploiting the mechanism behind solar flares. The device accelerates plasma particles using magnetic reconnection, a process found throughout the universe, to generate high velocities.
Scientists have gained new insight into the solar structures that create the Sun's flow of high-speed solar wind. Using NASA data and cutting-edge image processing, researchers discovered plumelets, smaller strands of material within solar plumes, which shape the solar wind's characteristics.
Researchers detected high-energy X-ray emissions around a group of neutron stars, known as the Magnificent 7, which could be attributed to theorized axions or dark matter. The study uses supercomputing and data analysis to predict axion production in neutron star cores.
Astronomers have detected a signature of magnetar outbursts in nearby galaxies, allowing for more precise localization and study of these extreme stars. The discovery provides new insights into the behavior of magnetars, which are thought to be the source of some types of short gamma-ray bursts.
Physicists Luca Comisso and Felipe Asenjo propose a new method to extract energy from rotating black holes by breaking and reconnecting magnetic field lines. This process could accelerate plasma particles to negative energies, allowing for massive amounts of energy extraction with an efficiency of up to 150%.
Physicists at Princeton University have observed quantum oscillation in an insulator, a phenomenon typically seen in metals. The discovery hints at the existence of neutral fermions and challenges the long-held distinction between metals and insulators.
Researchers at KAUST have developed a computational algorithm to simulate ferrofluid behavior, enabling more accurate predictions of the liquid's response to a magnet. By simulating only the surface layer of the ferrofluid, they were able to reduce computational complexity and accurately reproduce complex spike patterns.
A team of researchers has developed a novel approach to measuring magnetic fields using 'damaged' polymer optical fibers. The sensor can detect small magnetic field changes, several hundreds of times smaller than conventional methods, and is suitable for applications in electric power systems.
Researchers from Waseda University create a way to transform logical Ising models into physically implementable ones with lower bit widths. This approach uses auxiliary spins to achieve the desired transformation without changing the solution.
Researchers have created a new adhesive that can be cured using a magnetic field, offering a more efficient alternative to traditional methods. The 'magnetocuring' glue has the potential to revolutionize industries such as sports equipment, automotive and electronics manufacturing.
Scientists create tiny Janus balls that change color under a magnetic field, potentially used in inks for anti-counterfeiting tags. The technology could help manufacturers stay one step ahead of sophisticated counterfeiters.
Researchers predicted the corona's appearance using NASA data, but the actual appearance was hazier and calmer than expected due to changes in the Sun's magnetic field. The team made adjustments for the Sun's increasing activity, which affects space weather.
A novel multiple-cell cavity design, dubbed 'pizza cavity,' has been developed to address the challenges of searching for axion dark matter in high-frequency regions. The new design improves detection efficiency and allows for faster scanning of frequency ranges compared to conventional methods.
Researchers at Northwestern University have developed a soft robotic material that can walk at human speed, pick up cargo, and transport it to a new location. The material is activated by light and responds to external magnetic fields, making it ideal for use in aquatic environments.
A UNSW study demonstrates all-electrical spin-to-charge conversion without magnetic field, enabling fast detection of spin accumulation in strongly spin-orbit coupled materials. The non-linear method facilitates orders of magnitude faster detection and time-resolved read-out down to 1 nanosecond resolution.
A team of researchers has analyzed data to infer the nature of compact object orbiting within LS 5039, the brightest gamma-ray binary system in the Galaxy. The team suggests that particle acceleration process is caused by interactions between dense stellar winds and ultra-strong magnetic fields of a rotating magnetar.
A magnetic spray can be used to turn objects into millirobots that can crawl, walk, or roll on different surfaces. The coated objects are biocompatible and can be disintegrated into powders when needed, demonstrating potential for biomedical applications like catheter navigation and drug delivery.
Researchers from the University of Illinois Chicago have discovered four major factors influencing the motion of magnetic particles in fluids, including magnetic field strength, particle properties, and electrical charges. This knowledge can be used to improve drug delivery, biosensors, and other applications.
A new agglutinate, reprogrammable, and disintegrable magnetic spray has been developed to transform inanimate objects into millirobots with high adaptivity for various biomedical applications. The spray can be repurposed by adjusting its magnetization direction, allowing the creation of diverse locomotion modes.
A USask physicist is leading a world-first collaboration to develop a compact, precise magnetometer using diamond-based technology. The new device has potential applications in geological prospecting, medicine, and quantum computing.
Researchers derived an analytical model of optical activity in black phosphorous under an external magnetic field, discovering tunable phenomena. The findings show optical activity conforming to that previously observed in chiral metamaterials and have applications in polarization optics, stereochemistry, and molecular biology.
Researchers at Argonne National Laboratory are upgrading a measurement system for the Muon g-2 experiment, which could reveal undiscovered particles. The upgraded system will enable precise measurements of the muon's spin precession rate and magnetic field strength.
The Cornell High Energy Synchrotron Source (CHESS) will build a High Magnetic Field (HMF) beamline with a $32.6M NSF grant, enabling precision X-ray studies of materials in persistent magnetic fields. The partnership with National MagLab and UPR will create a powerful facility for scientific discovery.
Researchers have found a way to circumvent a centuries-old theory that allows them to effectively cancel magnetic fields. This breakthrough has practical benefits for various fields like medicine, quantum technology, and neuroscience.
A team of researchers at the University of Pennsylvania School of Medicine has demonstrated a new method to rebuild complex body tissues using a magnetic field and hydrogels. This technique allows for the creation of engineered tissues with natural tissue-like properties, including a cellular gradient.
Researchers developed a near-infrared/pH dual-responsive drug delivery system using graphitic carbon nitride quantum dots and carbon nanosheets for improved chemotherapy response. The system exhibits light-to-heat conversion and singlet oxygen generation capabilities under single NIR excitation.
A team of scientists developed a mathematical model simulating the disruption of heat distribution by strong magnetic fields, creating hotter and cooler regions that emit x-rays of differing intensity. The findings help explain the observed changes in brightness of magnetars studied over several decades.
Researchers have found a new magnetar with a pulsation period of 1.36 seconds, showing spin-down behavior suggesting rotation-powered pulsar emissions. The discovery reveals a missing link between magnetars and rotation-powered pulsars, providing new insights into neutron stars with high magnetic fields.
Scientists at Osaka University have discovered a novel mechanism, microtube implosion, which generates megatesla-order magnetic fields. This breakthrough is three orders of magnitude higher than what has been achieved in a laboratory, with potential applications in materials science, quantum electrodynamics, and astrophysics.
Researchers found evidence of a quantum spin liquid in ruthenium trichloride, which could lead to new insights into magnetic materials and their applications. The discovery was made using a novel technique called resonant torsion magnetometry, which precisely measures the behavior of electron spins.
A University of Colorado Boulder astrophysicist is searching the light coming from a distant magnetar, PSR J1745-2900, for signs of dark matter. The scientist hopes to detect the faint signals of an axion particle transforming into light.
Researchers found that the nature of the boundary at which an antiferromagnet transitions to disorder depends on its lattice arrangement. Calculations showed subtle differences in transition points between honeycomb and square lattices.
Researchers aim to develop compact and portable NMR devices that can detect metabolic disorders and analyze fuels, biofluids, and food extracts. Dr. Danila Barskiy's new group will focus on zero-to-ultra-low field magnetic resonance technology.
Researchers at Ohio State University have developed soft robots that can be controlled by magnetic fields, allowing for faster and less invasive delivery of medications. The 'soft' component of the robot is crucial, as it eliminates the need for motors, controllers, and tethers.
Scientists create controlled dynamics of colloidal rods on a magnetised chip using mathematical coding, increasing efficiency in research and potential applications in biomedicine and biotechnology. The study paves the way for mini-laboratories to study materials and biochemical agents.
Researchers from the University of Exeter have discovered a way to manipulate light using a synthetic Lorentz force, enabling photons to mimic charged particle dynamics. By distorting honeycomb metasurfaces, they created artificial magnetic fields that can be tuned using precision photonic devices.
A team of Indian and Japanese physicists have overturned the six-decade old notion that giant magnetic fields in plasma evolve from small scales. Instead, they originate at macroscopic scales defined by the boundaries of electron beams, leading to a new understanding of magnetic fields in astrophysical scenarios and laser fusion.
Researchers at the University of Tsukuba have discovered a new explanation for how superconductors recover from temporary exposure to magnetic fields without losing energy. The proposed mechanism involves the presence of a topological quantum number, which allows supercurrents to be switched off without Joule heating.
Researchers developed a theoretical model to predict spectral splitting of excitons in WSe2 under magnetic field. The results provide better understanding of opto-electronic properties and potential applications in quantum technologies.
Physicists develop minuscule superconducting quantum interference device (SQUID) able to detect extremely weak magnetic fields, with potential applications in medicine and research. The device features a complex six-layer stack of individual two-dimensional materials.
Scientists at Princeton Plasma Physics Laboratory have found a novel electrical current that could stabilize fusion reactions, contrary to conventional notions. The discovery sheds light on the fundamental interactions of waves in plasma and has implications for creating fusion energy.
A team of scientists has found a new Hall effect phenomenon in non-magnetic materials, revealing an intrinsic in-plane response that defies classical expectations. The observed effect is attributed to the interplay between Berry curvature and Weyl semimetal properties.
Researchers at Peking University discovered a new type of superconductor that remains stable in ambient conditions, exhibiting large critical magnetic fields and strong spin-orbit coupling. This macro-size system with out-of-plane spin polarization has great potential for superconducting electronic and spintronic applications.
An international team has successfully mapped the global distribution of the coronal magnetic field for the first time. Using observations from the Coronal Multi-channel Polarimeter, they applied a technique called magnetoseismology to infer the average magnitudes of the magnetic field in the corona.
Researchers elucidate a global picture of edge states in Weyl semimetals, revealing how they form closed trajectories under tilted magnetic fields. The study provides new understanding of the three-dimensional quantum Hall effect and its relation to topological properties.
RAMBO-II will produce stronger magnetic fields and probe samples with an even broader spectrum of intense laser pulses. This upgrade enables researchers to study materials under extreme conditions, advancing the frontiers of materials physics and chemistry.
A massive spinning black hole powers a plasma jet through magnetic reconnection, releasing energy in 'mini-jets' that produce high-energy gamma radiation. This phenomenon explains how the energy reaches the jet's core from the black hole and ultimately originates from its rotation.
Researchers at Cornell University developed a graphene-based Hall-effect sensor that can operate over a greater temperature range than previous sensors. The device can detect miniscule changes in magnetic fields, even within a larger magnetic background, making it ideal for various technological applications.
For the first time, researchers have measured the global magnetic field of the solar corona. By applying magneto-seismology to observations from Coronal Multi-channel Polarimeter (CoMP), they mapped the magnetic field in the global corona using wave propagation speed and density data.
A team of scientists, led by RMIT University, has developed a new class of quantum sensors using high-performance diamond particles embedded in conventional glass fibers. This breakthrough enables the creation of cheap quantum sensor networks for applications such as underwater monitoring and mining.
Scientists found that in actual materials, there's no critical point for quantum phase transitions in a genuine zero-field environment. Instead, many-body interactions impose order on matter at low temperatures.
Scientists developed a theoretical method to model the interior of ice giants Uranus and Neptune, allowing analysis of thermal and electrical processes. The study provides insights into the planets' geometry and evolution, including the existence of frozen cores and magnetic field generation.
Researchers at POSTECH developed a remote magnetic-sensitive artificial catalyst called MAG-NER, which shows high catalytic efficiency within living cells. The catalyst transforms non-fluorescent reactants into fluorescent products through implanting MAG-NER into living cells and applying alternating magnetic fields.
Researchers have developed a new method to map the magnetic field of the solar corona using near-infrared observations. The technique, presented in a recent study, can provide detailed maps of the coronal magnetic field across the entire observable corona.
Scientists have found a way to measure the quantum distance of Bloch states in solids by applying a magnetic field, enabling the detection of anomalous Landau level spreading. This discovery reveals that the quantum metric plays a crucial role in determining material properties.