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The Lead

Physicists shatter stubborn mystery of how glass forms

June 30, 2015 8:37 am | by University of Waterloo | News | Comments

A physicist at the University of Waterloo is among a team of scientists who have described how glasses form at the molecular level and provided a possible solution to a problem that has stumped scientists for decades.

Superhydrophobic glass coating offers clear benefits

May 11, 2015 5:00 pm | by Ron Walli, Oak Ridge National Laboratory | News | Comments

A moth’s eye and lotus leaf were the inspirations for an antireflective water-repelling, or...

Expanding the reach of metallic glass

April 22, 2015 9:53 am | by Jim Shelton, Yale Univ. | News | Comments

Metallic glass, a class of materials that offers both pliability and strength, is poised for a...

Optical fibers light the way for brain-like computing

March 12, 2015 11:17 am | by Glenn Harris, Univ. of Southampton | News | Comments

Computers that function like the human brain could soon become a reality thanks to new research...

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Process identified for improving durability of glass

March 11, 2015 7:59 am | by Bill Kisliuk, Univ. of California, Los Angeles | News | Comments

Researchers at the Univ. of California, Los Angeles and the Univ. Pierre et Marie Curie in Paris have identified a method for manufacturing longer-lasting and stronger forms of glass. The research could lead to more durable display screens, fiber-optic cables, windows and other materials, including cement. 

Glass coating for improved battery performance

March 3, 2015 8:57 am | by Sean Nealon, Univ. of California, Riverside | News | Comments

Lithium-sulfur batteries have been a hot topic in battery research because of their ability to produce up to 10 times more energy than conventional batteries, which means they hold great promise for applications in energy-demanding electric vehicles. However, there have been fundamental road blocks to commercializing these sulfur batteries.

Is glass a true solid?

January 22, 2015 7:54 am | by Hannah Johnson, Univ. of Bristol | News | Comments

Does glass ever stop flowing? Researchers have combined computer simulation and information theory, originally invented for telephone communication and cryptography, to answer this puzzling question. Watching a glass blower at work we can clearly see the liquid nature of hot glass. Once the glass has cooled down to room temperature though, it has become solid and we can pour wine in it or make window panes out of it.

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The way liquids and glasses “relax”

January 15, 2015 2:04 pm | by Michael Baum, NIST | News | Comments

A new insight into the fundamental mechanics of the movement of molecules recently published by researchers at NIST offers a surprising view of what happens when you pour a liquid out of a cup. More important, it provides a theoretical foundation for a molecular-level process that must be controlled to ensure the stability of important protein-based drugs at room temperature.

“Smart windows” have potential to keep heat our, save energy

January 15, 2015 9:53 am | by American Chemical Society | News | Comments

Windows allow brilliant natural light to stream into homes and buildings. Along with light comes heat that, in warm weather, we often counter with energy-consuming air conditioning. Now scientists are developing a new kind of "smart window" that can block out heat when the outside temperatures rise. The advance could one day help consumers better conserve energy on hot days and reduce electric bills.

Glass for battery electrodes

January 13, 2015 11:51 am | by ETH Zurich | News | Comments

For some time now, energy experts have been adamant that we will need much more clean energy in the future if we are to replace fossil fuel sources and reduce carbon dioxide emissions. For example, electric cars will need to replace the petrol-powered cars driving on our roads.

Lighting the way for future electronic devices

November 17, 2014 8:15 am | by Univ. of Southampton | News | Comments

Researchers at the Univ. of Southampton have demonstrated how glass can be manipulated to create electronic devices that will be smaller, faster and consume less power. The researchhas the potential to allow faster, more efficient electronic devices; further shrinking the size of our phones, tablets and computers and reducing their energy consumption by turning waste heat into power.

Research lights the way for super-fast computers

November 7, 2014 9:54 am | by Univ. of Surrey | News | Comments

New research demonstrates how glass can be manipulated to create a material that will enable computers to transfer information using light. This development could significantly increase computer processing speeds and power in the future.    

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Engineer readies for rapid discovery of metallic glasses

November 4, 2014 9:22 am | by Rase McCry, Yale Univ. | News | Comments

Yale Univ. engineer Jan Schroers will lead a three-year, $1.2 million project intended to dramatically accelerate the pace of discovering and characterizing bulk metallic glasses (BMGs), a versatile type of pliable glass that’s stronger than steel. The grant will enable Schroers’ team to screen more than 3,000 potential BMG alloys in a week, a vast improvement over traditional methods.

Atomic trigger shatters mystery of how glass deforms

October 20, 2014 11:04 am | News | Comments

Research at Oak Ridge National Laboratory has cracked one mystery of glass to shed light on the mechanism that triggers its deformation before shattering. The study improves understanding of glassy deformation and may accelerate broader application of metallic glass, a moldable, wear-resistant, magnetically exploitable material that is thrice as strong as the mightiest steel and ten times as springy.

Laser pulse turns glass into a metal

August 26, 2014 10:06 am | News | Comments

For tiny fractions of a second, when illuminated by a laser pulse, quartz glass can take on metallic properties. The phenomenon, recently revealed by large-scale computer simulations, frees electrons, allowing quartz to become opaque and conduct electricity. The effect could be used to build logical switches which are much faster than today’s microelectronics.

When things get glassy, molecules go fractal

April 24, 2014 7:36 am | News | Comments

Combining theory and numerical simulations, researchers have resolved an enduring question in the theory of glasses by showing that their energy landscapes are far rougher than previously believed. The new model, which shows that molecules in glassy materials settle into a fractal hierarchy of states, unites mathematics, theory and several formerly disparate properties of glasses.

Glasses strong as steel

April 14, 2014 7:29 am | by Eric Gershon, Yale Univ. | News | Comments

Scientists at Yale Univ. have devised a dramatically faster way of identifying and characterizing complex alloys known as bulk metallic glasses (BMGs), a versatile type of pliable glass that's stronger than steel. Using traditional methods, it usually takes a full day to identify a single metal alloy appropriate for making BMGs.

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New use for an old troublemaker

March 24, 2014 9:04 am | News | Comments

An unwanted byproduct from a bygone method of glass production, the crystal devitrite could find a new use as an optical diffuser in medical laser treatments, communications systems and household lighting. For years, the properties of this material were not studied because it was considered as just a troublemaker in the glass-making process and needed to be eliminated.

Recent advances mean wider use of flexible metallic glass is coming

March 4, 2014 10:35 am | News | Comments

Scientists at Los Alamos National Laboratory are working toward even stronger and more elastic glass types which would fail in a ductile fashion instead of shattering. Researchers there are looking at the initiation of shear-banding events in order to better understand how to control the mechanical properties of these materials.

Physicists solve 20-year-old debate surrounding glassy surfaces

February 28, 2014 4:20 pm | News | Comments

U.K. scientists have succeeded in measuring how the surfaces of glassy materials flow like a liquid, even when they should be solid. A series of simple and elegant experiments were the solution to a problem that has been plaguing condensed matter physicists for the past 20 years. The finding has implications for thin-film coating designs.

Nanotechnology in glass sponge

February 24, 2014 9:54 am | News | Comments

To attach itself to surfaces, the marine sponge Monorhaphis chuni forms an unusual glass rod. Researchers have recently analyzed the nanostructure of the filament passing through the center of this glass rod and discovered that it is formed with a perfect periodic arrangement of nanopores. In this way, the sponge employs a similar method that is now used for fabrication of man-made mesoporous nanomaterials.

Toward perfect control of light waves

January 13, 2014 9:11 am | News | Comments

A team at the Laboratory for Attosecond Physics in Germany has constructed a detector which provides a detailed picture of the waveforms of femtosecond laser pulses. Knowledge of the exact waveform of these pulses enables scientists to reproducibly generate light flashes that are a thousand times shorter, just attoseconds, and can be used to study ultrafast processes at the molecular and atomic levels.

Overcoming brittleness: New insights into bulk metallic glass

November 18, 2013 8:06 am | News | Comments

From the production of tougher, more durable smartphones and other electronic devices, to a wider variety of longer lasting biomedical implants, bulk metallic glasses are poised to be mainstay materials for the 21st Century. Featuring a non-crystalline amorphous structure, bulk metallic glasses can be as strong or stronger than steel, as malleable as plastics, conduct electricity and resist corrosion.

Researchers demonstrate “accelerator on a chip”

September 30, 2013 8:45 am | News | Comments

In an advance that could dramatically shrink particle accelerators for science and medicine, researchers used a laser to accelerate electrons at a rate 10 times higher than conventional technology in a nanostructured glass chip smaller than a grain of rice.

Tiny camera records details of scene without losing sight of big picture

September 26, 2013 9:01 am | News | Comments

Cell phone cameras improve with every new model, but are still lacking in the fine resolution department. A team of researchers have created a miniature system that has the same quality as a full-size, wide-angle lens but is about the size of a walnut. The new system could be used to build a camera that pans and zooms with no moving parts.

Researchers accidentally make glass just two atoms thick

September 12, 2013 2:48 pm | News | Comments

At just a molecule thick, it's a new record: The world's thinnest sheet of glass, a serendipitous discovery by scientists at Cornell Univ. and Germany's Univ. of Ulm, has been recorded for posterity in the Guinness Book of World Records. The remarkable material was an accidental byproduct of a graphene fabrication process.

Q-glasses could be a new class of solids

August 7, 2013 10:13 am | News | Comments

There may be more kinds of stuff than we thought. A team of researchers has reported possible evidence for a new category of solids, things that are neither pure glasses, crystals nor even exotic quasicrystals. Something else. The research team analyzed a solid alloy that they discovered in small discrete patches of a rapidly cooled mixture of aluminum, iron and silicon.

New coating turns ordinary glass into superglass

August 5, 2013 8:08 am | News | Comments

A new transparent, bio-inspired coating makes ordinary glass tough, self-cleaning and incredibly slippery, a team from the Wyss Institute for Biologically Inspired Engineering at Harvard Univ. reported. The new coating could be used to create durable, scratch-resistant lenses for eyeglasses, self-cleaning windows, improved solar panels and new medical diagnostic devices.

Thin, flexible glass means new capabilities for energy storage

July 24, 2013 11:07 am | News | Comments

Thin glass is already widely used for displays. But even thinner glass, about one-tenth the thickness of display glass, can be customized to store energy at high temperatures. Recent experiments by a partnership of academic and industrial researchers have investigated various alkali-free glass compositions and thicknesses, and has resulted in inexpensive roll-to-roll glass capacitors with high energy density and high reliability.

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