A team of Russian researchers used dynamic light scattering and phase microscopy to demonstrate the existence of stable nanodroplets of tetrahydrofuran (THF) in aqueous electrolyte solutions. The research developed a new theory explaining the spontaneous generation of heterogeneous nanoparticles due to 'twinkling' hydrogen bonds.
A team of researchers from Peter Grünberg Institute and Tampere University of Technology used numerical simulations to study the motion of over 500 atoms in liquid bismuth. Their findings show excellent agreement with experimental results, including inelastic x-ray scattering and neutron diffraction data.
Researchers have created a new culture model of the human intestine where living tissue from a patient biopsy can be preserved and studied for days. The model enables studies of complex interactions between host cells, mucus production, and gut microbes.
Researchers have developed a new fiber that offers higher tensile stroke and is triggered at temperatures lower than its predecessors, with potential applications in medical devices and self-healing materials. The fiber's unique geometry provides greater flexibility and thermal expansion/contraction properties.
Researchers have developed a new 3-D printed device that can harness high-pressure ultrasound to manipulate tiny objects like particles, drops or biological tissue. This control enables precise applications in surgery, material analysis and scientific research.
Researchers have developed a bio-inspired lower-limb exoskeleton that features natural knee movement, improving patients' comfort and willingness to wear it for gait rehab. The exoskeleton is designed to help strengthen physical fitness, aid rehabilitation training, and assist with daily activities.
Researchers studying giant space droplets develop simple experimental device to predict their behavior, shedding light on fluid dynamics in low-gravity environments. The findings have potential applications in water processing, fuel systems, and habitats.
Researchers find that longer polymer chains exhibit higher fragility due to incomplete molecular scale relaxation, leading to new insights for material design. The study resolves a long-standing puzzle in polymeric materials, shedding light on their unique properties.
Researchers in China developed a 'shadow method' to measure forces acting on water strider legs, revealing key principles behind their locomotion. The technique could help design advanced biomimetic robots and measure forces at the single molecular level.
A team of Shanghai Jiao Tong University researchers developed antireflective structures capable of suppressing visible light at different angles of incidence. The structures, inspired by cicada wings, were fabricated using titanium dioxide and show great potential for photovoltaic devices like solar cells.
A team of researchers has successfully demonstrated the synchronization of optical clocks across a low-lying, strongly turbulent, 12-km horizontal air path using a frequency comb. They achieved femtosecond-level clock synchronization by measuring the arrival time of pulses at each site and correcting for the finite speed of light.
A numerical study explores the patterns made by 2-D rectangular plates falling freely within water, identifying parameters influencing their motion and force characteristics. The findings may aid in improving wing designs for unmanned aerial vehicles and controlling object motions within fluids.
Researchers found that capillary forces from soap foam induce pressure gradients near the container walls, reducing sloshing motion. The dampening effect happens faster than expected exponential decay, causing the waves to stop after a finite time.
UCSB researchers create high-performance tunable dielectrics using molecular beam epitaxy, overcoming material quality issues. The advancement enables adaptive electronic systems with potential applications in cellular communications and phased-array antennas.
Researchers at Iowa State University have developed a theoretical framework to understand the relationship between capture zones and the formation of nanoclusters. The study highlights the importance of subtle spatial details in the nucleation process, which is crucial for controlling nanostructure properties.
Researchers created an ultrasensitive optical microfiber coupler sensor that detects small concentrations of molecules on or near the fiber's surface. The sensor boasts a sensitivity 20 times higher than conventional sensors, making it ideal for trace analyte and small molecule detection.
A team of researchers at Jadavpur University in India has devised a way to recycle fish byproducts into an energy harvester that can generate electricity from mechanical stress. The energy harvester, made from fish scales, is capable of scavenging various types of ambient energies and powering small devices.
Researchers developed a miniature tabletop test device to study explosions with unprecedented accuracy, revealing key dynamics of hot spots. The new instrument helps control hot spots, crucial for safer explosives.
University of Southern California researchers discovered the 'elastic-inertial régime', a transition zone between two regimes where friction increases with shear rate. This finding has significant implications for industries handling granular materials, which are often used in mining and pharmaceuticals.
A new experiment reproduces nature's patterns with a specially designed system called an H-shaped dielectric barrier discharge system. The system produces filaments of discharge plasma that can assume vast ranges of patterns in 3D, allowing scientists to explore complex mechanisms behind nature's diverse designs.
A new study reveals how blood flow dynamics within blood vessels may influence the development or rupture of plaques, potentially leading to early interventions in treating heart disease. The research improves predictions of circumferential wall stress and identifies weak spots on a vessel wall that are likeliest to fail.
Researchers at Texas Tech University have developed hexagonal boron nitride semiconductors as a low-cost alternative for inspecting overseas cargo containers entering US ports. The material offers high detection efficiency and sensitivity, making it suitable for various applications beyond nuclear weapons detection.
A research team has developed a method to 'freeze' newly created microbubbles in their tracks, enabling potential applications in medicine, such as ultrasound contrast agents and gas embolotherapy. This breakthrough could also improve the nuclear industry by controlling microbubbles in liquid sodium coolant.
A team of Karlsruhe Institute of Technology researchers has developed a method to tailor AFM probes with unique designs using 3-D direct laser writing based on two-photon polymerization. The technique enables the creation of custom probes with nanoscale precision, opening up new possibilities for analyzing samples at the atomic scale.
Researchers discovered that calcium-silicate-hydrates dissolve at high-stress regions and re-precipitate at low-stress regions, leading to 'creep' deformation. This finding could help develop mechanistic models for predicting creep behavior and identifying cementation agents with reduced sensitivity.
Scientists design metamaterials that can block or transmit specific wavelengths of light at the command of light pulses, enabling new optical device applications. The new switchable materials have potential to create ultra-thin metasurface lenses and other flat optical components.
Scientists have successfully fabricated monolayer graphene nanoribbons with well-defined zigzag edges, exhibiting high electron mobility and clean energy band gaps. This breakthrough could enable large-scale processing of high-quality graphene nanoribbons for spintronic devices.
Air plasma technology has been shown to effectively kill bacteria and biofilms on the surfaces of perishable fruits, significantly extending their shelf life. The reactive species generated by plasma can penetrate into the cavity of the biofilm, causing damage and killing the bacteria within.
Researchers have developed a new type of terahertz quantum cascade laser that can produce a record output power of up to 230 milliwatts in continuous wave mode. This breakthrough has significant implications for various applications, including spectroscopy, medical imaging, and remote sensing.
Researchers at Drexel University have developed a fabrication method for swimming microrobots using just two conjoined microparticles coated with magnetic debris. The microswimmers can be controlled by an external magnetic field, allowing for control over speed and direction.
Australian researchers use 3-D printing to create a resonant microwave cavity via an aluminum-silicon alloy that boasts superconductivity when cooled below the critical temperature of aluminum. The study explores the superconducting properties of 3-D printed parts and demonstrates the potential for rapid prototyping in various fields.
Researchers develop a novel approach to measure individual coating layers of automotive paints using time-of-flight measurements of ultrashort THz pulses. The algorithm-informed computer model resolves layer thicknesses below seven microns with high accuracy.
Droplets on a surface can catapult away contaminants without superhydrophobic coatings, inspired by pogo jumping. Researchers at Duke University and the University of British Columbia investigate this mechanism to develop more durable self-cleaning systems.
Researchers found that small imprecisions in surface lattice sites can affect the density of deposited particles, leading to less efficient deposition processes and lower ultimate coverage. This study suggests that a certain degree of relaxation may be more effective in improving dense structures.
A new model developed by researchers at Shanghai Jiao Tong University provides a fuller understanding of supercooled large droplet icing mechanisms. The model identifies a different icing mechanism than previously identified and incorporates heat generated from impact thermodynamics.
A team of researchers proposes a new question on the crystallization of water in droplets, finding that density waves are excited before crystallization. The study uses computer simulations to investigate the freezing of nanoscale silicon drops and films, providing new insights into the formation of ice and snow.
Scientists have reached a milestone in replacing the standard kilogram with a fundamental constant of nature, measuring Planck's constant for the first time. The new watt balance device has an uncertainty of only 34 parts per billion, a step closer to redefining the kilogram.
Researchers in South Korea have developed ultra-thin photovoltaics with a record-breaking flexibility, allowing them to wrap around small objects. The new method uses transfer printing instead of etching and produces flexible solar cells with a smaller amount of materials.
The study discovered that microstructure has a significant effect on suspension behavior under compression, with cellulose fibers showing more uniform solid fraction than nylon fibers. The two-phase model predicts the evolution of solid fraction and its relation to fiber and fluid phases.
Researchers at NASA Ames discovered that varying hydrogen droplet sizes influence the burning process of liquid hydrogen-oxygen mixtures. The study reveals new mechanisms and requires a deeper understanding of evaporation and burning processes.
Chinese researchers have developed a new in situ transmission electron microscopy (TEM) technique that offers powerful functionality to understand atomic-scale structure and its correlation with physical and chemical properties. The technique has potential applications in smart windows, energy management, and environmental protection.
Swiss researchers improve an interferometry technique to directly exploit fringe interference, acquiring high-resolution images without the need for a G2 grating or small pixel detectors. The new setup increases flux efficiency by a factor of two and reduces overall production costs.
A new hybrid decision-making model has been developed to help Serbia and other developing nations meet their renewable energy targets. The tool ranks 20 decision-making criteria according to investor priorities, favoring wind power projects due to under-utilized wind resources.
Scientists have successfully integrated tiny high-performance lasers directly onto silicon wafers, overcoming a decades-old semiconductor industry challenge. This breakthrough enables faster and more energy-efficient data transmission, paving the way for on-chip integration of photonics with electronics.
A team of scientists has developed an apparatus to measure the behavior of ice under various external forces. The device can be used to study both terrestrial glaciers and icy satellite bodies, providing insights into potential life-supporting oceans beneath the ice.
Scientists have developed a new nanoscale probe to study electrochemical properties, which could lead to significant improvements in battery and fuel cell performance. The device can measure local variations in material properties, allowing researchers to better understand how electrochemical systems work.
Researchers capture pressure, temperature and chemical species maps for each explosion, reducing the need for multiple shots. The technique uses pyrometry and high-speed cameras to achieve spatial resolution of 1 mm for a 1 kg explosive charge.
Researchers create simulation model to account for sphere roughness in experiments, enabling accurate measurements and electrical conductivity. The model predicts a sweet spot for optimal contact area, reducing friction and minimizing damage.
Scientists at UCLA's Voice Center for Medicine and the Arts studied Hillary Clinton, Bernie Sanders, Donald Trump, and Carly Fiorina's speech patterns across various settings. They discovered that despite differing messages, the politicians employed similar voice modulation strategies to convey charisma.
A team of theoretical chemists at Queen's University compared experimental and theoretical methods for interpreting the rotational-vibrational CH5+ spectra. They were able to develop a new assignment of the experimental results, reducing errors from 30 cm-1 to 2 cm-1.