Articles tagged with Glass
The study found a vestige of the zero-temperature jamming transition in a system of small particles where thermal energy is important. Researchers used mathematical computer simulations and an experiment to investigate how jamming affects systems at non-zero temperature.
Researchers at Northwestern University found that infants as young as five months old can distinguish between liquids and solids based on movement cues. This suggests that babies are not blank slates but rather active learners who perceive the world in a similar way from infancy throughout life.
A study of 1,373 men found that light long-term alcohol consumption, especially wine, was associated with a lower risk of dying from cardiovascular disease and death from all causes. Moderate wine consumption was linked to an extended life expectancy of around five years in men.
A new study finds that weight discrimination contributes to the glass ceiling effect for women, with overweight and obese women underrepresented among top CEOs. In contrast, overweight men were overrepresented in top CEO positions, suggesting a tolerance for larger sizes among men.
A study by Wagner and Oehlmann analyzed mineral waters for estrogenic chemicals, detecting contamination in 60% of samples. Plastic bottle water showed higher levels than glass-bottled water, with more embryos developing in New Zealand mud snails exposed to plastic bottles.
A study by Children's Hospital Boston found that half of glass-table injuries could have been prevented or less severe with safety glass. Tempered glass can significantly reduce these types of injuries, which often result in severe lacerations and disfiguring scars.
The James Webb Space Telescope's mirrors are made of beryllium, a light metal that withstands extreme temperatures and is highly reflective. The 18 hexagonal mirror segments will allow the telescope to see galaxies from 13 billion light-years away.
Scientists at the University of Nottingham and the University of California, Berkeley have provided evidence for a new kind of sudden transition between liquid and solid glass. This transformation occurs when molecules are viewed in both space and time, guiding towards methods for producing stronger and longer-lasting glass.
Scientists have discovered 10 new amphibian species in Colombia, shedding light on the country's remarkable biodiversity. The discovery was made during a Rapid Assessment Program expedition in the Tacarcuna area, where approximately 60 species of amphibians were identified, including three glass frogs and three poison dart frogs.
Fast molecular rearrangements in plastics allow them to absorb energy and change shape without breaking, enabling properties like plastic flow. This quality enables plastics to bend rather than break under stress, as observed in bulletproof glass that flows around bullets.
Researchers at Purdue University have developed a new membrane technology that separates oil from water, achieving 98% separation efficiency. The filter works by attracting water while repelling oil, making it suitable for environmental cleanup and industrial applications.
Scientists have discovered an enzyme that can convert sugars into a precursor of acrylic glass, a plastic used in various applications. This breakthrough could make the production of acrylic glass more environmentally friendly and potentially increase its demand in the coming years.
Researchers at Clemson University have successfully created a practical silicon optical fiber using standard mass-production methods. The development of this new fiber is expected to increase efficiency and decrease power consumption in computers and other systems that integrate photonic and electronic devices.
A new study suggests that incorporating vegetable juice into a daily diet can significantly increase vegetable intake. Researchers found that individuals who consumed one or two servings of V8 vegetable juice per day were more likely to meet the daily recommended amount, with over half of those who drank one serving meeting the recomme...
Researchers found that consumers' self-view and the display surface a product rests on interact to affect perception. Display surfaces or merchandising can bolster or damage product perceptions, offering brands opportunities to shape shoppers' mindsets.
Researchers at Penn State found that smaller grains require less force to initiate movement through sandy soils than larger ones. This discovery could lead to more efficient designs for power-line towers and industrial mixer blades in sandy environments.
Penn State researchers have developed a method to rapidly and inexpensively copy biological surface structures using the conformal evaporated film by rotation (CEFR) technique. This technique enables the creation of coatings that capture the micro and nanostructure of biological surfaces, including metallic finishes and iridescent colors.
The new adhesive sheds dirt particles with each use, unlike traditional sticky tapes that attract dust. After 30 simulated steps, the adhesive recovered one-third of its original adhesion strength, showing promise for future robot development.
Researchers have developed a new method to fabricate borosilicate glass nanoparticles with increased stability, overcoming limitations of current nanoparticle materials. These nanoparticles could enable applications in diagnostic tests, targeted drug therapy, photonic devices, ultrasonic microscopy, and chemical filtration membranes.
Researchers at Argonne National Laboratory have discovered a new class of glassy materials governed by dynamic disorder. The discovery reveals the role of temporal frustration in disrupting magnetic alignment, allowing for better understanding of how glasses are formed.
Researchers created a sophisticated method to turn ordinary glass into a solar concentrator, boosting solar panel efficiency. The technology uses dye-coated glass to collect and channel photons, reducing the need for semiconductor material and increasing energy output.
Researchers found that average wine glasses were 43% larger than standard drinks, with varying alcohol content within beverage types. The combination of higher-content drinks and lack of awareness makes this 'abundance' problematic for consumers planning to drive or engage in activities.
Researchers at NIST and Cornell University developed a novel fabrication method called nanoglassblowing to create nanofluidic devices that can isolate single molecules in solution. The technique produces devices with funnels and tapered nanochannels, showing advantages over traditional planar channels.
Dan Savage, 25, survived testicular cancer at 20, gaining more confidence and starting his own art studio. He worries about losing regular medical checks after five years in remission, feeling the need for continued health monitoring.
Patients with hemianopia benefit from prism glasses that expand their visual field, improving obstacle avoidance and daily mobility. A new study has shown significant benefits for patients wearing these glasses, with 47% reporting them as 'very helpful' after 12 months.
Researchers at NIST have demonstrated that nanoimprint lithography can accurately stamp delicate insulating structures on advanced microchips without damaging them. The process also increases the population of small pores, improving performance and reducing the risk of short circuits.
Researchers at UCLA have discovered a theoretical model that can accurately predict the behavior of dense granular flows, similar to molecules in jammed materials. This breakthrough has significant implications for fields such as materials innovation, medicine, and geology, offering new avenues for understanding complex phenomena.
Geologists found that the central Sierra Nevada attained its present elevation 12 million years ago, 8-9 million years earlier than previously thought. This discovery has implications for understanding ancient global climates and modeling past weather patterns.
Physicists have made significant breakthrough in understanding wetting theory with the development of a new simplified mathematical formula. The formula explains fluctuations in liquid droplets on surfaces, resolving long-standing problems and outstanding discrepancies between experiments and simulations.
A newly found fish in Indonesian waters has sparked excitement among scientists due to its unique appearance and possible connection to an unknown family. The fish, resembling a glass sculpture, can burrow into crevices with its soft and pliable body, and its eyes appear to be directed forward.
Researchers at Ohio State University are developing a technology to coat turbine blades with zirconium dioxide, also known as synthetic diamond, to combat high-temperature corrosion. The coating converts corrosive particles into a protective outer layer, renewing itself constantly.
Arizona State University professor C. Austen Angell discovered the 'glassy state' of water, a sub-state of matter that behaves oddly due to its unique hydrogen bond network. He found that supercooled water exhibits an unusual heat capacity, which is different from other glass-forming liquids.
The University of Chicago has launched a new research program on catastrophic deformation, a class of far-from-equilibrium behavior in physics, materials science and biology. The team will analyze aspects such as jamming, memory and singularities to better understand this complex phenomenon.
Researchers separate TV, phone and internet signals using a technique called MGDM, which transmits each signal through a separate group of light rays. This technology has the potential to increase fibre network capacity and transmit information without disruption.
Scientists have developed a new method to produce hollow-core optical fibres, which could lead to faster and more powerful computing and telecommunications technologies. The breakthrough reduces production time from around a week to just one day, making the fibre superior in virtually every respect to previous versions.
Cotton-top tamarins display grasps consistent with end-state comfort in experiments, suggesting sophisticated motor planning. The results challenge previous attributions of nonhuman species' cognitive abilities.
The system uses speech recognition and language processing technology to create transcripts of MIT lectures, allowing users to search for specific topics. The prototype web site has drawn increased traffic, primarily from international students accessing MIT's OpenCourseWare initiative.
Researchers at John Carroll University have developed blue-blocking glasses that block blue light to reduce ADHD symptoms and improve sleep patterns. The glasses work by advancing the circadian rhythm, leading to a marked decline in ADHD symptoms and promoting better sleep.
Researchers used laser-perforated diamond anvil cells to investigate oxide glass structures at high pressures. They discovered that arsenic oxide underwent a transformation at 20 GPa, creating new isomers. This breakthrough may help understand magma behavior during the early Earth's formation.
The Emory research team aims to identify protein biomarkers that correlate with ALS onset and progression. Developing such biomarkers could enable early diagnosis, disease monitoring, and potential prevention of the disease.
Researchers have discovered large colonies of glass sponges thriving on the seafloor off Washington state, extending the range of reef-building species into open ocean. The sponge reefs support a dense ecosystem of sea life, including zooplankton, fish and crustaceans, in a previously sparsely populated area.
Himanshu Jain's work on 'jellyfish fluctuations' in super-cold glass has been recognized with the Otto Schott Research Award. His theory proposes that a group of atoms wiggles like a jellyfish, generating electrical conductivity and having important applications in devices like cell phones and satellites.
Researchers from the US, Norway, and Russia have identified the origin of 1/f noise in semiconductor electronics, which could lead to more sensitive sensors and detectors. The study found that the noise arises from the random distribution of impurities and electron interactions in a state called Coulomb glass.
Researchers from University of Cincinnati have found a connection between flexibility and ion motion in solid electrolytes. The team, led by Punit Boolchand, synthesized materials that exhibit three elastic domains and demonstrated increased electrical conductivity in the flexible phase.
A new integrated theory of kimberlite formation invokes a leading wedge of fluid carbon dioxide to explain the survival of diamonds during ascent. The theory suggests that the rapid expansion and cooling of magma near the surface creates an equilibrium pressure, driving the rock upward at speeds of up to 5000 km/h.
A new theory predicts how polymer glasses, such as those used in DVDs and aircraft windshields, age over time. The material's properties change due to slow molecular movements, affecting its stiffness and brittleness.
Researchers found that fruit flies' flight patterns are optimal for searching, using scale-free movement with intermittent turns. This behavior is also observed in other animals, including humans and crickets, suggesting a unified theory for finding food.
Researchers have created a building block made almost entirely of recycled glass, metal slag, and other waste products, aiming to revolutionize the construction industry. The 'Bitublock' is estimated to reduce energy consumption by up to 50% and use an estimated 400,000 tonnes of crushed glass annually.
Scientists have developed 'smart' sunglasses featuring electrochromic polymers that change colors in response to an electric current, offering a wide range of color options. The prototype shades are powered by a tiny battery and resemble regular sunglasses with a button-activated color-changing feature.
Researchers have developed smart glasses with electrochromic materials that can change transparency and color using minimal power. The prototype lenses offer endless options on one accessory, improving depth perception and contrast, and avoiding drawbacks of existing photochromic lenses.
A Dutch study found that moderate wine consumption (less than one glass per day) was associated with lower rates of cardiovascular death and all-cause mortality. Long-term light wine intake was linked to a 36% lower risk of all-cause death compared to non-drinkers.
Physicists at JILA have demonstrated that a surface's warmth increases its attractive force on nearby atoms, a finding with potential implications for devices like atom chips and MEMS. By using ultracold atoms and heated glass surfaces, researchers measured the temperature dependence of the elusive Casimir-Polder force.
Researchers at the University of Helsinki have discovered that sulphuric acid and water mixture droplets can be cooled and heated without forming ice. This finding has implications for cloud physics, suggesting that cirrus clouds are not completely solid ice, but contain a layer of liquid water.
Researchers develop a new approach to creating stable glassy materials from organic molecules, which could enhance drug delivery and enable targeted therapy. The process uses vapor deposition at low temperatures, resulting in densely packed molecules with exceptional thermodynamic and kinetic stability.
Researchers at UW-Madison have created a novel glass that is stronger and more stable than traditional glass using a new glass-making technique. The new glass has potential medical applications, including the development of pharmaceutical compounds previously unusable due to instability.
A new type of biocompatible glass with dual porosity has been developed to mimic the vital functions of bone, facilitating vascularization and cell adhesion. The glass has successfully tested in laboratory experiments and is being further investigated for its potential to stimulate bone regeneration.
Researchers discovered that germanium nanocrystals in silica glass don't melt until temperatures rise nearly 200 degrees Kelvin above the melting point of bulk germanium. The nanocrystals also require more than 200 K below the bulk melting point to resolidify.
Researchers at Northwestern University have developed a new patterning method called Dip-Pen Nanolithography (DPN), which allows for the simultaneous creation of 55,000 identical nanoscale patterns on substrates. This breakthrough enables mass production of nanoscale patterns, paving the way for miniaturized gene chips and electronics.
Scientists at Johns Hopkins University and the University of New Mexico have forecast an increased risk of hantavirus outbreaks in the US southwest in 2006. The study used satellite imagery to analyze ecological conditions and predict disease spread, with moderate risk levels similar to those in previous years.
A new paint-on semiconductor device has been developed by researchers at the University of Toronto, surpassing traditional methods in terms of cost and performance. The device, created using a liquid painting process, boasts exceptional sensitivity to infrared rays and is approximately ten times more sensitive than current sensors.