Scientists have developed a general formula to calculate the photogalvanic spin current induced by transverse oscillating magnetic excitations in bilayer chromium trihalide compounds. The study found that processes involving one magnon band and two magnon bands contribute to the spin current.
Researchers at Johannes Gutenberg University Mainz have developed a new method for detecting alcohols using zero- to ultralow-field nuclear magnetic resonance (NMR) combined with the SABRE-Relay hyperpolarization technique. This innovative approach enables measurements without strong magnetic fields, reducing device size and potential ...
Researchers developed a wireless system called Contactless Moisture Estimation (CoMEt) that estimates soil moisture in agricultural fields at multiple depths using radio signals. CoMEt can assess soil moisture without requiring in-ground sensors, making it more cost-effective and convenient for farmers.
A multidisciplinary study uses magnetometers to investigate the magnetic fields of metropolitan areas, finding that each city has a distinct magnetic signature. This unique characteristic can be exploited to analyze anomalies in city operation and long-term trends of urban development.
A new University of Maine study reveals that temperatures are rising at different rates in various locations across the state's wild blueberry fields, particularly during the fall, winter, and summer. The findings suggest that warmer daytime and nighttime temperatures increase carbon dioxide production and alter the carbon cycle.
A team of researchers at North Carolina State University has developed a technique to align gold nanorods using magnetic fields while maintaining their optical properties. The method involves coating the nanorods with iron oxide nanoparticles and controlling their alignment using a low-strength magnetic field.
A team of researchers at the University of Tsukuba has developed a new method for measuring tiny changes in magnetic fields using nitrogen-vacancy defects in diamonds. This breakthrough could lead to more accurate quantum sensors and spintronic computers, enabling precise monitoring of temperature, magnetic, and electric fields.
Northern Arizona University has launched a partnership with Coconino Community College to increase underrepresented minority (URM) student participation in astronomy, planetary science, and other STEM fields. The two-year project will provide paid internships for 20 students, enabling them to carry out research on various topics.
An international team developed a new theoretical model that solves part of the 'solar problem' by considering the Sun's rotation and magnetic fields. The results reproduce the concentration of helium and lithium in the Sun's outer layers, providing insights into stellar physics.
A study by researchers at Göttingen University and the Centre for Ecological Research found that organic farming is more effective in promoting wild bee populations than conventional fields with flower strips. The findings suggest that considering both yield and area of land is crucial when evaluating agri-environmental measures.
Scientists have learned how discrete auroras on Mars are formed through the interaction between solar wind and crustal magnetic fields. The study, published in JGR: Space Physics, reveals that aurora occurrence rates depend on solar wind conditions and orientation.
A new study suggests that nearly 40% of developed fossil fuel reserves need to stay in the ground to keep global warming below 1.5°C. The research also highlights the importance of decommissioning existing extraction facilities, rather than just stopping new development.
Girls perform better in English than boys from ages three to seven, leading to a possible explanation for the STEM gender gap in adults. Parents who invest more time teaching math to their children show weaker association with later-life math skills.
A new survey of 164 US-based STEM organizations found significant gaps in the types of demographic information collected, with some groups being largely ignored. The study suggests that more robust data collection could help increase representation of underrepresented groups in STEM fields.
A team of researchers at The University of Tokyo has created a model that reveals the role of emergent elastic fields in chiral molecular and colloidal crystals. The findings provide a potential switch for developing new electro- and magneto-mechanical devices.
Researchers developed TDAP method for investigating precise ultrafast processes in matter, providing robust dynamic simulations based on quantum mechanical principles. The approach has been applied to strong field physics and photocatalysis, demonstrating effective treatment of ultrafast quantum dynamical processes.
Researchers investigated the shortest possible time scale of optoelectronic phenomena and found that it cannot be increased beyond one petahertz. The experiments used ultra-short laser pulses to create free charge carriers in materials, which were then moved by a second pulse to generate an electric current.
A new NYUAD study reveals that a 'masculinity contest culture' can discourage women's participation and advancement in intellectually demanding fields. The research suggests that promoting a culture of free exchange and openness can help make workplaces more inclusive.
Researchers identified key factors contributing to the gender gap in engineering courses, including female instructors, peer participation, and icebreaker questions. The study suggests that these strategies can help increase women's participation and close the gap in STEM fields.
Researchers at MIT and University of London found that collective electric fields produced by neurons provide a stable and consistent signal of information in working memory. This allows the brain to function even if individual neurons die or change.
Researchers found that desert microbes produce nitrous oxide (N2O) emissions in arid soils after rain, contradicting the long-held assumption that it comes from fertilized agricultural fields. The study reveals a new source of nitrogen pollution in deserts, driven by fossil fuel combustion and industrial processes.
A new study finds that Tumor Treating Fields (TTFields) activate the immune system and trigger an anti-tumor cell response, potentially effectively used together with immunotherapy approaches. TTFields' unique mechanism of action induces a downstream signaling pathway that initiates an active immune response against cancer cells.
Scientists observe atomic magnetic field and origin of magnetism in iron atoms using Magnetic-field-free Atomic-Resolution STEM (MARS) and Differential Phase Contrast (DPC) method. This breakthrough enables research and development of various magnetic materials and devices.
Researchers found that soybean plants adjacent to pollinator habitats produce larger seeds due to increased bee visitation. The presence of pollinators also influences the bee communities in soybean fields, with bees leaving for outside flowers less likely.
Rice University scientists discovered that strong magnetic fields can manipulate the material's optical phonon mode, a phenomenon previously unseen. The effects were much stronger than expected by theory, revealing a new way of controlling phonons.
Researchers predict LISA will detect new fundamental fields, shedding light on dark matter and the universe's expansion. The space interferometer will observe gravitational waves from extreme mass-ratio inspirals, providing a unique opportunity to probe strong-field gravity.
Researchers suggest LISA can detect scalar fields interacting with gravity, providing strong bounds on theories beyond General Relativity. Extreme Mass Ratio Inspirals offer a unique probe of the strong-field regime of gravity.
The CUNY Graduate Center is introducing a comprehensive and fully funded Astrophysics master’s program, alleviating financial barriers for low-income students from underrepresented communities. The program, supported by the Simons Foundation, will provide tuition-free education and research opportunities.
Researchers have developed a novel magnetometer that achieves an unprecedented level of sensitivity, detecting tiny magnetic fields that were previously undetectable. The breakthrough uses a single-domain Bose-Einstein condensate made of rubidium atoms at ultracold temperatures.
A recent study found 24 different pathotypes of Phytophthora sojae in Quebec and Ontario compared to eight in Manitoba, indicating declining resistance to Rps genes. More than 85% of fields surveyed contained isolates that could overcome the Rps genes present in planted varieties.
Scientists at Osaka University demonstrated the ability to generate gigagauss magnetic fields via gyro motion of relativistic electrons, with polarity reverse occurring instantly. The study, published in Scientific Reports, reveals a new mechanism for magnetic field growth and amplification.
Researchers developed unprecedented insights into the natural and commercial flow of fish, highlighting the importance of inclusive approaches to fisheries management and conservation. The study's findings indicate a strong connection between larval dispersal and catch distribution in Hawaii, emphasizing the need for community-based ma...
The study found that elevated CO2 concentration increases CH4 emissions by 23%, but reduces N2O emissions by 22%. However, with longer duration of CO2, emissions decrease by 27% and 53%. Appropriate agricultural management practices, such as straw incorporation and water regimes, also affect these emissions.
The study finds that pentatellurides exhibit nonlinear transport behavior when subjected to magnetic fields, leading to the emergence of many-body effects in Dirac electrons. This phenomenon is characterized by a 3D density wave state that can be suppressed or activated by electric field thresholds.
Researchers at Brown University propose a new explanation for the Moon's lack of a strong magnetic field, suggesting that sinking rock formations could have intermittently generated strong magnetic fields. This process could have occurred over the first billion years of the Moon's history, producing intermittent strong magnetic fields.
Scientists demonstrated experimental realization of an atom-optically synthetic gauge field in a noninteracting Bose gas of Cs atoms. They observed gauge flux-dependent populations and chiral atomic currents, which are significant for understanding gauge fields in synthetic dimensions.
A new chapter explores how bringing arts to STEM fields can help students explore their interests and understand representation in children's literature. The exercise, which paired picture book creation with first-year writing lessons, led to changes in students' views on diversity and inclusion.
Scientists have introduced a new microscope that uses quantum dots to image ultrafast electric waveforms encoded in the visible luminescence of nanocrystal probes. The technique, termed Quantum-Probe Field Microscopy (QFIM), enables the detection of terahertz near-field waveforms by microscopy of visible photons.
Researchers create laboratory model to experimentally confirm the behavior of plasma waves as predicted by theory. By studying the properties of liquid metals and high magnetic fields, they successfully generate Alfvén waves in a molten alkali metal, breaking through the sound barrier for the first time.
A new study finds that the magnetic field generated by a tsunami can be detected a few minutes before changes in sea level, which could improve tsunami warning systems. The researchers used real-world data from two tsunamis to confirm this relationship and provide valuable insights for improving tsunami source models.
A new study by ISGlobal found no association between overall mobile device exposure and sleep disturbances in pre-adolescents, but suggested an effect on sleep when exposure occurs in the evening. The study of over 1,500 children aged 9-12 years old found that those making phone calls in the evening had reduced sleep time.
A research team at Osaka University successfully generated megatesla magnetic fields through three-dimensional particle simulations on laser-matter interaction. The strength of MT magnetic fields is significantly stronger than geomagnetism, enabling laboratory experiments that were previously thought impossible.
A PSU study reveals that parents' STEM backgrounds significantly impact their children's likelihood of majoring and persisting in STEM fields. Researchers identify STEM-specific cultural capital as a key factor, highlighting the importance of parental involvement in fostering STEM values and habits.
Fatima Bagheri, a doctoral student in physics at the University of Texas at Arlington, has received a $200,000 National Science Foundation Postdoctoral Fellowship. She plans to investigate exoplanets' magnetic fields and their potential ability to support life, building on her previous research on geomagnetic storms.
Researchers from diverse fields have converged on a new definition of quantum nanoscience, placing coherence at its center. The review highlights the nanoscale's role in harnessing useful quantum effects, with applications for industries and governments.
Researchers from South Korea have demonstrated that applying an electric field during air stripping can significantly improve ammonia removal efficiency from wastewater. The study found that electric fields with alternating current of 50 MHz and power of 15 V/cm increase efficiency from 51% to 94%, even under sub-optimal conditions.
The special issue examines the collective dynamics of complex networks with applications in neuroscience, climate modelling, and Earth science. The papers cover a broad range of topics including dynamics of excitable systems, cluster dynamics, and interplay of noise and feedback.
A new study by the University of Houston researcher found that gender stereotypes in computer science and engineering begin at age six, leading to a lack of representation of girls and women in these fields. The study suggests that introducing high-quality STEM activities in elementary school can help close the gender gap.
Thermal quenches in fusion devices occur when high-energy electrons escape from the core and fly toward the wall, causing a rapid drop in electron temperature. The researchers propose an analytic model of plasma transport that provides new physical insights into the complex topology of 3-D magnetic field lines.
A large-scale study characterized 585 strains of the Xanthomonas perforans bacterium in Florida commercial tomato fields, finding associations between farms and transplant facilities as key points of pathogen spread. This research provides insights into the diversity of the pathogen population and potential control strategies for farmers.
Researchers have developed a tiny chip-based device that uses two-mode squeezing to create unconditional entanglement between continuous optical fields. The new microcomb has been tested and found to exhibit raw squeezing of 1.6 dB, with potential for further improvement by reducing system losses.
Researchers at UTA are working on a sensing system that can monitor greenhouse gas emissions in farms, allowing for adjustments to reduce emissions while increasing crop yields. The system is made up of low-cost nanosensors and embedded readout systems, enabling farmers to save money and improve sustainability.
Research suggests that fostering positive workplace social relationships between men and women can improve gender equity and inclusion in STEM. Even small gestures of social inclusion, such as chatting with female teammates during breaks, can reduce stereotypes and increase feelings of engagement.
Researchers from Paderborn University and Max Planck Institute for Polymer Research have successfully demonstrated Wannier-Stark localization in polycrystalline substances. This achievement marks a significant step towards developing affordable optical modulators with broad applications in telecommunications and other fields.
Pollinators contribute significantly to global food production, particularly for small-scale farmers who rely heavily on these services. The author emphasizes the need for increased support and research efforts to maintain biodiversity and improve crop yields.
Researchers at Aalto University created intricate shapes like letters by manipulating tiny metal balls with vibrating plates and energy fields. The smart algorithm efficiently guided the particles to achieve desired shapes, inspired by natural phenomena like wind and water.
Research reveals that only a few schools have gardens and woods, while most prioritize athletic fields and playgrounds. Teachers play a key role in promoting outdoor learning and play, with environmental education workshops showing promise.
A study found that Filipino, Vietnamese, and Thai students are less likely to major in STEM fields and have lower math scores than other Asian American students. The research highlights the need for policymakers to understand the specific needs of underrepresented Asian American ethnic subgroups.
Researchers estimate that US government subsidies will encourage more oil and gas extraction in the coming decade, particularly at low oil prices. The study's findings suggest that subsidies can flow to excess profits, increasing greenhouse gas emissions and air and water pollution.
New research reveals that magnetic fields of middle-aged stars become sub-critical, leading to reduced angular momentum losses and altered magnetic field strengths. This phenomenon breaks the relationship between a star's age and its rotation rate, allowing for a diversity of solar-stellar phenomena.