New insights into nonsmooth surfaces, inspired by frilly surfaces on coral reefs and kale leaves, suggest potential applications in soft-body robotics. The research reveals that these surfaces can change direction without stretching, allowing for efficient movement and flexibility.
Researchers have developed a nanofabrication technique to create bug-shaped robots that are wirelessly powered and able to survive in harsh environments. The robots are tiny enough to be injected through an ordinary hypodermic needle and can be controlled using laser power or other energy sources.
The study of knitting reveals the underlying mathematical rules governing shape and stretchiness, which could lead to designing new tunable materials. Researchers aim to create flexible material replacing biological tissues with personalized sizing and elasticity.
The latest data from Juno and Cassini spacecraft has challenged existing theories on planetary formation and behavior, revealing new insights into Jupiter and Saturn's magnetic fields and atmospheres. Surprisingly, the atmosphere is evenly mixed, contradicting conventional predictions.
A new solar cell design created by Beth Parks increases energy capture by 30% in Uganda, where 20-25% of people have no access to electricity. The affordable system could improve quality-of-life for millions and make solar energy more viable in developing countries.
Researchers at the University of Pennsylvania propose that humans' ability to detect patterns stems from the brain's desire for simplicity. By prioritizing overall structure over individual details, people can more quickly recognize complex patterns and anticipate what comes next. The study's findings have significant implications for ...
Researchers have discovered that the microscopic surface geometry of mako shark scales can control flow separation, reducing drag on smooth surfaces. This passive mechanism could lead to innovative designs to increase agility in aircraft and helicopters.
Researchers are developing a new paradigm called 'network physiology' that examines how organs communicate and adjust to each other. This approach has the potential to improve health monitoring techniques by capturing data streams from different organ systems.
Princeton University researchers Olivia Chu and Corina Tarnita investigate how cooperation emerges in human populations, finding that smaller groups allow cooperation to thrive while limiting destructive influence. They also find that allowing for lone individuals with barriers to group entry enhances cooperation.
A new method has been developed using a microchip device that sorts sperm based on their swimming potential, allowing for faster and cheaper selection of viable sperm. This technology may improve IVF success rates, especially in women under 35 who have low chances of successful fertilization.
Researchers have confirmed the prediction of superconductivity in a new class of materials called superhydrides at high pressures, approaching room temperature. This breakthrough could lead to lower resistance transmitter and reduce energy loss in power lines.
Researchers have developed a new tabletop method to characterize ultrafast magnetic storage devices, which could lead to faster information processing technologies. The method uses high-harmonic generation of laser light in iron thin films to measure electron spin on a quadrillionth-of-a-second time scale.
Researchers developed a virtual frame technique that enables ordinary digital cameras to capture millions of frames per second for several seconds while maintaining high spatial resolution. This allows for the direct imaging of dynamic cracks as they form, enabling the study of fracture toughness and properties of construction materials.
Researchers at Georgia Tech and Multiscale Systems Inc. used percolation theory to model how a large-scale hack on Internet-connected cars would affect traffic in Manhattan. A small-scale hack affecting only 10% of vehicles could cause citywide gridlock, while using multiple networks for connected vehicles decreases the risk.
Researchers at Utah State University have found that creating cavities in the water's surface can significantly reduce the initial impact force of objects entering a body of water. This phenomenon, known as 'free surface preparation,' has been tested with spheres and resulted in a 40-60% reduction in impact force. The study has potenti...
Researchers at the University of New Hampshire are studying water flow in fish tanks to improve aquaponic systems. Their study suggests that reducing water flow rates can result in similar velocity profiles, leading to lower operational costs. The findings aim to increase sustainable food production through integrated farming methods.
Researchers design robotic system inspired by jumping copepods and frogs, revealing the importance of body size and entrained water mass in achieving maximum jumping heights. The robot's limitations highlight the challenges of entering or exiting air-water interfaces.
Fetal single ventricle defects can be identified with echocardiograms, but irregular filling mechanics may contribute to defects in developing fetal hearts. Researchers are exploring how flow patterns affect outcome and could use fluid dynamics to advance the mechanistic understanding of heart failure in children.
Researchers discovered that Sonora cactus pads undergo complex microscale, seasonal and age-related wettability changes. This unique characteristic is now being applied to develop smart materials for hazmat suits, which will preserve water while allowing vapor and heat transfer.
Researchers at Georgia Tech discover that wok tossing is a critical aspect of cooking fried rice, involving two oscillating motions: translational and rotational. By understanding these motions, they aim to develop robotic designs for automated fried rice cooking.
Scientists studied animals' sniffing behavior to design a better electronic nose that can detect different odors. The sensor uses airflow control and customized pumps to mimic animal sniffing patterns, promising applications in food safety, national security, and more.
Researchers studied the digestive tracts of wombats and found that elastic properties of intestinal walls allow for cube formation. Wombats use cube-shaped poop to mark their home ranges and communicate with other wombats.
Investigations by Utah State University researchers reveal that two-seam fastball pitch movement is influenced by finger grip and spin axis tilt. The knuckleball's unique point of separation mid-flight also affects its trajectory, contrary to initial assumptions based on the Magnus effect.
Researchers found that Ant-Man and the Wasp's bug-sized state would lead to serious oxygen deprivation issues due to reduced atmospheric density. Microfluidic technologies could help alleviate these issues by providing controlled flow rates and directions of air, similar to insect respiratory systems.
Researchers have proposed a solution to the uncomfortable and messy issue of providing urine samples. A patented product called the Orchid, designed by Faith Leibman, features a funnel-like catch attached to a urine sample cup, making it easier for women and people with disabilities to provide a urine sample.
A team of researchers analyzed aerial video footage of bicycle races to determine the causes of changes in peloton collective behavior. They found two types of propagating waves within pelotons, driven by rider vision and sensory input, which challenge previous assumptions about aerodynamics' role in group dynamics.
A team of Saudi Arabian scientists has discovered a way to control dormancy in grapes and other fruiting plants by subjecting them to high-tech plasmas. This method may help extend the cultivation of temperate zone crops to milder climates, mitigating problems caused by global warming.
Researchers at the University of Alabama have developed a new plasma device that can clean water of difficult-to-remove bacteria and toxins. The device uses pulses of voltage to produce hydroxyl radicals, which cause a cascade of reactions leading to purer water samples.
Using computer modeling, a team discovered that plasmas activate metal catalysts in packed bed reactors, causing faster and more efficient chemical reactions. This process could lead to more efficient processes for removing air pollution, converting CO2 into fuels, and producing fertilizer.
Researchers have developed a new plasma generator capable of removing burdensome siloxane contaminants in landfill gas, converting up to 85% into removable solid deposits. This technology has the potential to improve the use of landfill gas as energy by reducing maintenance costs and environmental impact.
Researchers have created a method to move intense laser focal points at any speed, including faster than the speed of light. This technique combines a lens that focuses specific colors of light at different locations with chirped-pulse amplification technology.
Researchers from MAGPIE laboratories simulate stellar winds interacting with planetary magnetic fields, reproducing magnetopause formation and low-pressure regions. Laboratory experiments utilize intense electric pulses to create high-speed plasma plumes that interact with targets having magnetic fields.
Researchers blast trapped electrons with laser pulses to generate a cascade of particles, shedding light on astrophysical plasmas and potential industrial applications.
Researchers at DIII-D National Fusion Facility have developed a revolutionary new technique to cool a fusion reactor, reducing the risk of disruptions and producing runaway electrons. The 'inside-out' cooling approach uses boron dust injected into the plasma to evenly radiate away energy.
Research on the International Space Station reveals that electrically charged dust grains line up in straight lines, even without gravity. The study suggests that forces between particles and atoms impose order on the system.
Scientists propose a new model, magnetic pumping, to explain the solar wind's heat persistence as it streams out of the sun and towards Earth. The research shows that particles in the solar wind are affected by magnetic pumping, including high-energy particles.
The Wendelstein 7-X superconducting stellarator successfully completes its first operational phase, demonstrating stable and high-density plasma conditions. The experiment's goal is to achieve temperatures of over 10 million degrees in plasmas using microwaves, a crucial step towards realizing fusion power.
Scientists are working on a new, powerful magnet design using high-temperature superconductors to build the world's first energy-producing fusion experiment. The goal is to achieve a net energy gain by 2025 and make fusion a viable source of clean energy.
Researchers successfully employed microwaves to suppress Alfvén waves in plasmas, a crucial step towards harnessing clean and nearly limitless energy through fusion. The study, conducted at the DIII-D National Fusion Facility and ASDEX-Upgrade facility, demonstrates the potential of using electron cyclotron waves to control wave activity.
Researchers used a rotating water-filled device to simulate the magnetorotational instability, which helps explain how matter falls inward to form planets in a reasonable time. The experiment confirmed the strong impact of magnetic forces on metal behavior, paving the way for a clearer understanding of accretion disk dynamics.
The Alcator C-Mod tokamak achieved a record-breaking plasma pressure of 2.05 atmospheres, exceeding previous values by approximately 70 percent. This result validates the high-field approach to fusion energy, which could lead to smaller and cheaper fusion power plants.
Researchers at PPPL found that mean flow energy is never more than 1% of turbulent energy in H-mode, ruling out the predator-prey model. This result deepens the mystery of H-mode, but may refocus efforts on other contenders for understanding its physics.
Scientists at DIII-D National Fusion Facility have successfully reproduced radiation patterns in simulations, providing a breakthrough in fusion research. By eliminating molecular physics and accurately accounting for divertor plasma parameters, researchers have made significant progress towards designing radiating exhaust solutions.
Researchers at General Atomics have developed a gamma ray camera to image energetic electrons in ultra-hot fusion plasma, providing unprecedented insights into their behavior. The device reveals that radiation forces can sap high-energy electrons, while collisions with other electrons are more effective at lower energies.
Researchers have successfully simulated and observed the formation of plasmoids in a tokamak chamber, enabling plasma startup without solenoids. This breakthrough enables future commercial fusion power plants to operate more efficiently.
Researchers at West Virginia University have directly measured the 3D patterns of flowing plasma striking fusion and space propulsion device walls. The measurements show that plasmas accelerate parallel to the wall before impact, causing rapid erosion of the devices' lifetimes.
Researchers found that long-leg plasma exhaust channels can handle high power densities, exceeding material limits. The configuration promotes the build-up of high gas pressures in the legs, enabling a stable radiating layer to fully accommodate plasma heat exhaust.
Researchers at General Atomics have developed a new tool for controlling fusion plasmas, allowing for separate and continuous specification of power and torque. This breakthrough has the potential to improve magnetic fusion in machines worldwide.
Researchers found that injecting large quantities of neon gas can rapidly cool and extinguish magnetically confined fusion plasmas hotter than the sun's center. This process converts plasma heat into an intense flash of light, uniformly illuminating the interior wall to avoid damage.
The Wendelstein 7-X (W7-X) experiment in Germany has achieved impressive initial plasma results, pushing the boundaries of magnetic confinement. The device uses a unique twist design to optimize plasma confinement on both individual-particle and macroscopic scales.