A research team from Japan has discovered an anomalous softening effect in metallic glass, in which the hardness and elastic modulus of the material are reduced remarkably by applying giant shear strain to metallic glass ...
Condensed Matter
Nov 15, 2012
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Scientists at the University of Birmingham have designed a lens using metamaterials that can function as a convex or a concave lens, according to research published in the journal Nature Communications. By fabricating gold ...
Optics & Photonics
Nov 14, 2012
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Providing protection against impacts from bullets and other high-speed projectiles is more than just a matter of brute strength. While traditional shields have been made of bulky materials such as steel, newer body armor ...
Nanomaterials
Nov 7, 2012
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The first Fresnel lens was installed in 1823 in the Cordouan lighthouse, where its beam was visible for 32 km. Since then, this lens design has been used in lighthouses, traffic lights, automobile headlights, magnifying glasses, ...
Optics & Photonics
Oct 5, 2012
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(Phys.org)—Scientists at Ames Laboratory have discovered the underlying order in metallic glasses, which may hold the key to the ability to create new high-tech alloys with specific properties.
Condensed Matter
Oct 2, 2012
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(Phys.org)—Technologies such as microelectronics and lithography require nanoscale polymer films that sit atop various other materials. An understanding of the interplay between the dynamics of the thin film and the underlying ...
Nanophysics
Sep 25, 2012
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Within optical microchips, light finds its way through channels, waveguides, made of silicon. Light from a glass fiber, for example, is led through a structure of optical channels with splitters and couplers. Silicon is the ...
Optics & Photonics
Sep 21, 2012
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Chunks of concrete tumble from the Gardiner Expressway, the Algo Centre Mall collapses in Elliot Lake, shards of glass fall from Toronto condos, and a Radiohead stage gives way at Downsview Park.
Engineering
Aug 24, 2012
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As part of the biggest, costliest environmental cleanup in the nation's history-disposing of 53 million gallons of radioactive waste at the Hanford nuclear reservation in Washington state-one thing was supposed to be sure: ...
Environment
Aug 22, 2012
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University of Sheffield researchers have shown, for the first time, that a method of storing nuclear waste normally used only for high level waste, could provide a safer, more efficient, and potentially cheaper, solution ...
Materials Science
Aug 22, 2012
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