Scientists from Tsinghua University tested three structures commonly used in magnetic memory experiments and found that voltage directly controls changes in the magnetic properties of all three materials. This is a significant advantage for real-world device performance, as it eliminates the need for heat-controlled systems.
Researchers created a prototype of an acoustic cloak by arranging cylinders around an object, demonstrating that sound waves maintain their original wave-front pattern as they pass around the object. The proposed technique could enable better soundscapes in urban environments and quieter helmets for ear protection.
A new device, developed by Scottish researchers, can reliably detect explosive vapors using a compact silicon-based micro-system. The device measures the change in electron lifetime, less affected by environmental factors, making it more reliable than previous devices.
By combining spintronics and straintronics, researchers created an ultra-low-power integrated circuit that harnesses ambient energy for computation. The proposed design uses multiferroic composite structures to achieve significant energy savings, potentially powering implantable medical devices and buoy-mounted computers.
Researchers have created a technique to control the speed and direction of light using memory metamaterials, which can repeatedly change their properties. This innovation enables the manufacture of Gradient Index of Refraction (GRIN) devices for imaging and communication technologies with unprecedented precision.
Researchers have created a novel technique to probe the fundamental workings of photosynthesis, revealing how energy is transferred through antenna proteins. The study uses laser-light pulses to test whether overlapping excitation states occur in Fenna-Matthews-Olson (FMO) protein.
Researchers have developed a graphene-based device that stores information in ferroelectric material, increasing fidelity and reducing operating voltage. The device's high-speed performance is expected to overcome issues associated with traditional memory devices.
Researchers found that organic memory transistors retain their on/off states over a wider voltage range when heated, despite initial decreases in memory window. This temperature-dependent behavior could be useful for applications such as temperature sensing.
Researchers found that the area underneath the helmet and near the chin bar generates significant noise that reaches riders' sensitive eardrums. Future tests aim to design quieter helmets using the findings, which may be used to save riders' ears.
A new solar cell design boosts electricity generation by 26% through bouncing light, increasing the potential of dye-sensitized solar cells. The layered structure, consisting of micrometer-scale spheres and nanoscale particles, enhances light absorption and conversion efficiency.
Researchers at Caltech propose a new wind farm design that places turbines close together, reducing inefficiencies and environmental impacts. The approach uses vertical-axis wind turbines, which provide benefits in turbulent winds, simple designs, and lower profiles.
Researchers at Harvard Medical School have developed a new automated bioprinting approach that improves the uniformity and control of embryonic stem cell droplet size. The method delivers faster droplet formation, printing 160 droplets per second compared to traditional manual pipetting methods.
A Japan-based research team studied the phase behavior of confined water in single-walled carbon nanotubes, discovering a wet-dry transition at low temperatures and tubule ice formation. The findings contribute to a deeper understanding of nanoconfined water and its potential applications in nanoscience.
Researchers propose using mid-infrared lasers to create a band gap in graphene, allowing for the control of electrical conduction and paving the way for novel optoelectronic devices. The laser-induced band gap enables the transduction of optical into electrical signals.
A study analyzing stock market volatility over 50 years reveals the existence of hidden temporal order and high correlations between fear-driven market fluctuations and price variations. This discovery implies that traditional investment strategies should incorporate consideration for the 'volatility of volatility' in portfolio design.
A team of scientists has created a new 3D tumor model that can grow in a realistic and easily accessible substrate, speeding up cancer drug discovery. The model's 3D nature provides a more accurate representation of how tumors grow in the body, reducing the likelihood of promising drugs failing during animal testing.
The American Institute of Physics has posted lay-language summaries of recent research presentations at the Acoustical Society meeting. These summaries cover a wide range of topics, including biomedical ultrasound, reducing underwater noise, and new car mufflers. The online collection offers easily approachable explanations of complex ...
Researchers at the Boys Town National Research Hospital found that noisy classrooms significantly affect young students' ability to learn. Meanwhile, a new study on deaf infants with cochlear implants shows they don't automatically know how to listen when people speak. Cognitive psychologists also explored the power of single words in ...
A new 'Swiss cheese' design for thin film silicon solar cells offers improved stability and efficiency, potentially boosting industrial production. The nanostructured substrate enables strong absorption and tight spacing between electrodes.
A team of French researchers has discovered a method to double the areal density of information by stacking magnetic media in a three-dimensional tower structure. This innovative approach enables greater data storage capacity, overcoming physical limits imposed by current technology.
A new study reveals that alumina nanoparticles enhance biodiesel combustion, increasing fuel efficiency while decreasing nitrogen oxide and carbon monoxide emissions. Researchers are now exploring other types of nanoparticles for potential engine lubrication and cooling systems.
Researchers used X-ray CT scanners to analyze rice plant traits, improving measurement accuracy and reducing costs. This technology aids in selecting plants with the best tillers, crucial for crop success.
Researchers have developed a low-cost, soft generator that can convert movement into battery power using dielectric elastomer technology. This innovation has the potential to create light, flexible, and silent energy harvesters with excellent mechanical properties.
Researchers have developed a new drug delivery device that uses optical fibers to target specific areas of the body, reducing toxicity and side effects. The device is designed to deliver high-powered photosensitive chemicals directly to tumors or infected areas, potentially killing cancer cells and bacteria.
Researchers have created a simple bench-top technique to harness the force of acoustical waves, enabling the creation of various 3D structures. This technology has the potential to become a platform technology for the creation of new materials with extensive flexibility in terms of periodicity and material variety.
Researchers have developed inexpensive instruments to test building sealants in real-world conditions, simulating movement and environmental factors. This allows for more accurate prediction of sealant failure, addressing the challenge of fatigue caused by temperature-induced expansion and contraction.
Researchers have mixed nanoparticles into heat-transfer oils to increase the efficiency of solar collectors. This could lead to significant revenue gains for solar power plants. The use of nanoparticles also has potential applications in filtering out pollutants from coal power plants.
Researchers have successfully integrated tiny detectors called single-photon avalanche diodes (SPAD) onto computer chips, allowing for the detection of individual photons. These detectors have extremely low noise levels, making them ideal for measuring fluorescence in biological imaging applications.
Researchers have made significant progress in creating efficient single-photon sources using fluorescent 'defect centers' in diamond. These structures can be used to implement provably secure quantum cryptography schemes and potentially build solid-state quantum computers. The team's innovations include the development of nanofabricati...
Measuring mechanical strength of cancer cell mucus layers provides clues about treating cancer. Cancer cells produce excessive mucus, forming a barrier that prevents drugs from reaching them.
Researchers have developed mouse models of human MYH9 genetic disorders, which cause enlarged platelets and kidney disease. The models will aid in understanding the development of these diseases and identifying defects in the gene product.
Scientists have identified a mutation on the CACNA1D gene that affects two families in Pakistan, leading to deafness and an irregular heartbeat. The mutated protein still sits in the cell's surface membrane but fails to open the calcium channel.
A new study reveals that Cav1.3 calcium channels play a critical role in controlling the ticking of pacemaker cells in the sinoatrial node, which regulates heart rate. The absence of these channels leads to reduced frequency of Ca2+ transients and bradycardia in mice.
Researchers at the University of California have discovered a new spider toxin that targets T-type and N-type calcium channels, which play a role in congestive heart failure, hypertension, epilepsy, and pain. The toxin offers a new target for studying these channels and developing drugs to treat human diseases.
Researchers developed a novel 3D cell imaging method using multifocal plane microscopy to track single molecules in live cells for extended periods. This technique overcomes previous limitations and enables the study of complex spatial-temporal dynamics of protein transport.
A new super-resolution microscopy technique reveals changes in protein concentration on human immune cells exposed to E.coli and Y.pestis toxins. This work provides insight into why some bacteria can evade the immune system.
Scientists have developed an instrument called PING that can analyze thousands of potential interactions between viruses and human cells. This device detects molecular interactions at a sensitivity 100- to 1,000-time greater than current methods, making it a promising tool for finding new treatments for viral infections.
A team of scientists at the University of Pennsylvania has engineered a lentiviral vector that expresses CD47, a protein found on all cells, on its surface. This allows the virus to avoid being detected by the immune system, potentially making it safer for gene therapy and drug delivery.
A team of researchers has made significant strides in understanding the life cycle of flaviviruses, including the dengue fever virus, which causes viral hemorrhagic fever and affects millions worldwide. The study provides new insights into the molecular details of viral replication and interactions with host cells.
Researchers at the University of California and Germany have developed light-sensing modules to attach to neuronal molecules, allowing for real-time study of complex cascades. This breakthrough enables selective activation of individual classes of molecules, paving the way for new treatments for vision impairments.
Researchers have discovered a key role for motor protein myo1c in the development of cochlear hearing loss. The mutant protein's reduced sensitivity to mechanical loads and lower duty ratio contribute to its failure to function properly.
Researchers found that cytoskeletal components regulate CD36 protein movement on the cell surface, promoting receptor clustering. This study may lead to a better understanding of receptor organization and its impact on cell signaling, which could aid in the development of new drugs.
Physicists in Iran have created a spintronic device based on armchair graphene nanoribbons, which could revolutionize handheld electronics and drastically reduce manufacturing costs. The device has been shown to be an effective spin switch, with properties useful for magnetic random access memory.
Researchers developed a method to generate spin current in graphene using ferromagnetic proximity effect and adiabatic quantum pumping. This breakthrough could lead to faster and more versatile electronics, replacing traditional devices one day.
Researchers at the University of Texas at Austin have developed a new method for reporting solar data, allowing policymakers and businesses to understand solar resources. The method presents solar data in a geographic information system (GIS) format, providing daily, monthly, and yearly averages.
Researchers developed a planar microfluidic reactor that harnesses sunlight to break down contaminants in water using photocatalysis. The technology has shown dramatic improvements in efficiency, with plans to scale up the process for industrial water treatment applications.
Researchers have developed a new spectroscopy technique that can distinguish between individual notes and musical ensembles with high accuracy. This breakthrough technology has potential applications in fields such as astronomy, communication signal recovery, and atomic physics.
Australian researchers found that as fatigue progresses, speech slows and variations in pitch increase, indicating a loss of control over the muscles producing speech. The study provides a novel method for analyzing the effects of fatigue on the central nervous system through acoustic analysis.
Researchers developed a new intense 13.5-nm light source using tin and lithium plasmas, which can reduce feature size by an order of magnitude, resolving the fundamental limit in semiconductor manufacturing. The technology has shown promising results, with tin plasmas producing twice as much emission as lithium plasmas.
Researchers incorporated nanocrystals of iridium into flash memory designs, demonstrating excellent memory properties and thermal stability. Iridium's high work function and melting point make it an attractive option for improving nonvolatile memory with enhanced trapping ability.