Articles tagged with Glass
The chemical topology of silica surfaces can significantly impact the effectiveness of various chemical processes, including catalysis, filtration, and nanofabrication. Researchers found that hydrophilic silanol groups attract water molecules, forming a barrier that reactants must overcome to proceed with the desired process.
Researchers at Arizona State University have observed a previously unseen property of water, where it changes from one liquid to another under super-cooling and specific conditions. This phenomenon, known as a liquid-liquid phase transition, was only seen in computer simulations until now.
Researchers have created a model predicting the velocity and height of jet aerosols produced by bubbles in seawater and sparkling wine. The study found that viscosity is crucial in determining aerosol production, with optimal bubble sizes ranging from 10-20 microns.
Researchers at UBC developed a simple technique to create smart windows with dynamic tinting, reducing energy losses by switching between clear and tinted states. The new method reduces production costs compared to conventional glass windows, making it more feasible for commercial use.
Researchers at the University of Delaware have developed a new type of smart glass that is more transparent in its transparent state and more reflective in its reflective state. The panels, made from two sheets of plastic separated by a thin cavity, can switch between allowing light in and blocking it out with just the press of a button.
Researchers have developed a new method to predict drug stability, which could lead to the creation of more effective medicines. The technique uses optical and mechanical measuring techniques to determine when and how a solid will crystallise, a process that can affect a drug's solubility in water.
Researchers at RMIT University developed an ultra-thin coating that automatically regulates temperature in buildings, reducing energy consumption and emissions. The self-modifying coating can block heat during summer and retain heat inside when it's cold, leading to significant environmental benefits and financial savings.
Scientists at Tata Institute of Fundamental Research and Rutherford Appleton Laboratory discovered that electrons traveling faster than light in glass live much longer than expected, lasting over 2000 times longer than the exciting laser pulse.
The new bioresorbable optical fiber Bragg gratings can be used to sense pressure at joints or act as tiny probes that can safely reach and assess the heart and other delicate organs. The sensors could also improve laser-based tumor removal techniques by delivering accurate real-time temperature sensing.
Researchers at Oregon State University have developed a new method of cell preservation using desiccation, which shows promise as an alternative to cryopreservation via liquid nitrogen. The method involves removing water from cells, resulting in a stable solid that can be stored in conventional freezers or refrigerators.
Researchers from Siberian Federal University and L. V. Kirensky Institute of Physics predicted the structure to control Tamm plasmon wavelength using external fields or heating. They achieved a hybrid Tamm plasmon by incorporating a liquid crystal layer in a multilayer mirror, enabling color change through heating or electrification.
Archaeologists at Rice University have discovered glass production in sub-Saharan Africa, challenging previous theories about the origins of glass technology. The findings suggest that glass was widely traded across West Africa and had a significant impact on regional dynamics.
Researchers at Friedrich Schiller University Jena developed smart windows that can change light permeability with a button press, while also harnessing solar heat. These 'large-area fluidic windows' offer a cost-effective alternative to traditional air conditioning systems and daylight regulation.
Chemically toughened glass is being explored for use in car windshields, providing strength and durability while reducing weight and cost. This new material has potential applications in wearable electronic devices, hurricane-resistant windows, and pharmaceutical vials.
German researchers observed pulses of dissolution in dissolving crystals, marked by waves spreading from etch pits and screw dislocations. These findings challenge the long-held assumption that dissolution is a continuous process.
Researchers have developed a robot exoskeleton that can rapidly change its shape in response to chemical or thermal changes, enabling the creation of autonomous micron-scale machines. The graphene-based bimorph technology allows for the production of tiny robots with electronic, photonic and chemical payloads.
Scientists use x-ray lasers to map out water's fluctuations between two liquid states as it cools. Water behaves strangely compared to other substances, with density and specific heat responding oppositely to pressure and temperature changes.
A team of researchers has found that cathedral glass transitions to a liquid much faster than previously thought, contradicting the long-held myth that it is thicker at the bottom due to viscosity. The discovery could have significant implications for our understanding of glassy materials and their properties.
A team of researchers used JUQUEEN supercomputer to simulate the structure of silicate glasses at ultra-high pressures, gaining insights into the Earth's formation and its impact on our surface. They found that oxygen atoms are more compressible than silicon atoms under high pressure, leading to different glass structures.
Researchers found that wine glass capacity in England increased from 66ml in the 1700s to 417ml in the 2000s, with the mean size being 449ml. This gradual increase was followed by a rapid rise since the 1990s, which may have contributed to the steep increase in wine consumption.
Research suggests that larger wine glasses may be linked to increased drinking in England over the past two decades. The average capacity of wine glasses in England has increased from 66 mL in 1700 to 449 mL in 2017, a sevenfold rise.
Researchers demonstrate prototype smart glass that can switch from reflective to clear with the addition of a liquid, making office buildings more energy efficient and keeping cars cool. The technology could also be used to make roof panels that keep houses warm in winter and cool in summer.
ANU researchers have made significant progress in developing shatter-proof mobile phone screens, shedding light on the structure of glass and its resistance to fractures. The study's findings could also inform ways to produce glass suitable for storing nuclear waste more effectively.
Scientists at the University of Pittsburgh developed glass with high levels of haze and light transmittance, making it suitable for improving solar cell efficiency. The glass can be switched from hazy to clear by applying water, potentially leading to cost-effective smart windows.
Researchers discovered a unique process to create highly resistant lenses using calcite nanoparticles, mimicking the brittle starfish's ability to produce super-tough glass. This breakthrough could lead to improved materials for optical lenses, automotive turbochargers, and biomaterial implants.
Researchers investigated the sounds made by champagne bubbles to determine if they could infer bubble size and ultimately assess wine quality. By analyzing acoustic properties, they found that bubble size distribution can be obtained from simple measurements, potentially aiding in quality assurance testing of sparkling wines.
Researchers at Clemson University used a simple computer model to calculate the elastic properties of amorphous diamond, a new form of diamond with varying fractions of sp3-bonded carbon. The results show that this new substance retains desirable mechanical properties similar to crystalline diamond.
Penn researchers discovered a universal signature, called softness, which predicts the location of defects in disordered systems. This finding enables the prediction of material failure and has implications for designing shatter-resistant glasses and predicting geological phenomena.
Researchers have identified a factor limiting the conductivity of fluorine doped tin dioxide, a material used in touch screens, solar cells, and energy efficient windows. The discovery could lead to coatings with up to five times higher conductivity, reducing cost and enhancing performance.
Researchers have created a method to make photonic devices that can bend and stretch without damage, using a specialized glass called chalcogenide. These flexible devices could be used in various applications such as skin-mounted monitoring devices, diagnostic systems, or as connectors for electronics.
Researchers found high levels of lead and cadmium in 139 and 134 cases, respectively, on drinking glass products, including tumblers, beer and wine glasses. The study highlights the need for safer alternatives and greater industry awareness of toxic substances used to decorate glassware.
Penn State electrical engineers create microchip-based sensors for multiple applications, including motion, temperature, pressure and biochemical sensing, using innovative on-chip glass microspherical shell whispering gallery mode resonators.
A novel technique has enabled researchers to unravel complex physical processes during fracture in microscopic detail and in real time.
Researchers at Brookhaven National Laboratory developed a method to reduce surface reflections from glass surfaces to nearly zero by etching tiny nanoscale features into them. This achievement could enhance solar cell efficiency, improve electronic display use, and support high-power laser applications.
The study reveals that anomalous molecular motions in supercooled water lead to the breakdown of Stokes-Einstein behavior, with regions forming hydrogen bonds heterogeneously. The findings provide insights into the physical implications of this anomaly, which could help explain dynamic behaviors in glassy materials.
A Japanese team has gained a deeper understanding of the electronic processes guiding liquid-to-glass transitions. By studying an organic metal material with 'frustrated' electrons, they revealed that rapid cooling can create glass-like states similar to conventional glasses.
A Brazilian scientist proposes a new definition of glass as a non-equilibrium, non-crystalline state of matter that appears solid on a short time scale but relaxes towards the liquid state. This definition challenges traditional views of glass as a solid and highlights its unique properties.
Scientists have successfully created a porous solid that retains its properties in both liquid and glass states. This discovery enables the development of more efficient industrial applications for these materials.
A new study reveals that amorphous ice, formed when water is cooled to low temperatures, exhibits a previously undetected internal pattern known as disordered hyperuniformity. This finding may help explain water's unique properties and challenge the definition of glass.
Researchers at the University of Houston have made an unexpected discovery that leads to a new theory of liquid streaming. The researchers generated a liquid stream using a pulsed laser and found that gold nanoparticles played a crucial role in creating the phenomenon, which they called acoustic streaming.
Researchers used high-resolution imaging to monitor finger contact formation with glass and rubber surfaces. Contact area and friction coefficient increased over time, with soft surfaces forming contacts faster due to non-hydration limits.
A new imaging technique enables precise digitization of clear objects and their surroundings, useful for movie production, virtual reality, and material design. The method uses a robotic arm to record camera locations and combine photographs with CT scans, allowing for pixel-by-pixel comparison and accurate material properties analysis.
Scientists have made a groundbreaking discovery about the optical properties of glass, finding that stable glasses can exhibit birefringence despite having no molecular orientation. This unique property allows for the creation of scratch-free coatings and materials with different mechanical properties.
The 2017 Science in Society Journalism Awards honored winners for their investigative reports on topics such as the world's most expensive fish, corporate-funded research, and antibiotic resistance. The awards aim to encourage critical work that considers social effects and ethical problems associated with scientific findings.
Researchers have successfully grown single crystalline films of perovskite CH3NH3PbI3 on electron-collecting substrates, exhibiting excellent photovoltaic properties. The resulting devices achieve high efficiency rates, closing the gap with traditional silicon-based solar cells and offering a promising solution for renewable energy.
Researchers developed a new theory to understand how cracks propagate, revealing a nonlinear relationship between forces and material response near the crack's edge. This discovery may lead to better understanding of material failures and development of new strategies for protecting the environment.
Researchers from University of Bristol and Johannes Gutenberg Universität Mainz have found a critical point in the glass transition, enabling reconciliation of mutually incompatible interpretations. The study suggests that the thermodynamic and dynamic interpretations are different reflections of the same underlying phenomenon.
Researchers from MIT and Rutgers University found evidence of an active lunar dynamo that generated a magnetic field lasting at least 1 billion years longer than previously thought. The study suggests two possible mechanisms that powered the moon's ancient core, shedding new light on the phenomena that produced the lunar dynamo.
The researchers created prototypes of conductive glass with metal ions that spread out over the surface, blocking light in response to electrical current. This technology has the potential to transform homes, businesses, cars, and more by reducing energy consumption and costs.
A new study by University of Houston College of Optometry researchers found that wearing blue-light blocking glasses before bed increased nighttime melatonin levels by 58% compared to non-blocking glasses. Participants reported improved sleep quality, faster falls asleep, and longer sleep durations.
The CUDOS research group has created compact, mass manufacturable optical circuits by integrating nonlinear glasses with silicon-based material. This breakthrough enables faster data processing and opens up opportunities for miniaturizing photonics devices, from laptops to smartphones.
Researchers at EPFL's Laboratory for Fundamental BioPhotonics have developed a microscope that can track three-dimensional spatial changes in molecular structure and chemistry of confined systems. The study reveals a remarkable spread in surface reactivity, even on small portions of a capillary, shedding light on the chemical reactivit...
Researchers demonstrate controlled spalling layer transfer technique to create multiple thin layers from a single GaN wafer, enabling improved thermal characteristics and lightweight stackability. This method also allows for measurement of material properties and can be applied at various stages of fabrication.
Researchers at Okinawa Institute of Science and Technology Graduate University developed a new printing method to create effective disease detection tools using microfluidic bioassay devices. The device is about the size of a postage stamp and can detect multiple biomarkers for complex diseases like cancer.
Researchers found that the internal structure of sea sponge anchors, known as basalia spicules, allows them to bend up to 2.4 times before breaking, enabling them to securely attach to the seafloor. The study's findings may lead to the development of new materials with similar properties.
Ticks use specialized pads on their feet to adhere to surfaces, allowing them to walk and search for prey on humans and animals. Their attachment mechanism is reversible and can be folded and unfolded like an accordion.
Glass eel larvae can sense Earth's magnetic field and orient themselves using a biological clock, allowing them to migrate towards the coast. This study sheds light on the mechanisms of eel migration and has implications for our understanding of other species' navigation behaviors.
Researchers created a new form of ultrastrong, lightweight carbon by pressurizing and heating glassy carbon to extreme temperatures. This material has unique properties that make it suitable for various applications, including aerospace engineering and military armor.
A team of researchers, led by Sho Yaida, have found a phase transition in glasses using infinite-dimensional calculations. This discovery could significantly change the properties of glasses at low temperatures, affecting their response to heat, sound and stress.
Researchers discover that irradiation-induced disordering in materials differs from vitrification, leading to a more disordered atomic network resembling liquids. This finding has significant implications for material selection in nuclear applications and raises safety concerns.