In Hungary, as in many parts of the world, toxic bauxite sludges created during aluminium production are stored in the open air. Prolonged rainfall probably pushed the collection pond to its limits. The dam failure has now ...
Environment
Oct 13, 2010
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Deep ultraviolet light-emitting diodes (DUV-LEDs) made from aluminium gallium nitride (AlGaN) efficiently transfer electrical energy to optical energy due to the growth of one of its bottom layers in a step-like fashion. ...
Nanomaterials
Feb 22, 2019
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28
People are increasingly aware of the harm plastic waste causes to wildlife, and many would avoid buying single-use plastics if they could help it. But are the alternatives to plastic much better?
Environment
Nov 17, 2020
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We all love a life hack that makes our day a little cheaper and easier. And the neat tricks that iron out the niggles of life can come from some interesting places. There's some cool chemistry loitering in your cupboards ...
Other
Mar 30, 2016
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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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Tera-Barrier Films Pte Ltd, a spin-off company from A*STAR's Institute of Materials Research and Engineering, has invented a new plastic film using a revolutionary nano-inspired process that makes the material thinner but ...
Nanomaterials
Jan 6, 2014
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Due to its low density, high strength, and abundance, aluminum and its alloys are widely used for example in constructions, consumer electronics and for vehicles including cars, ships, trains and planes. However, aluminum ...
Materials Science
Feb 17, 2022
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58
Shark skin has long been known to improve the fish's swimming performance by reducing drag, but now George Lauder and Johannes Oeffner from Harvard University show that in addition, the skin generates thrust, giving the fish ...
Plants & Animals
Feb 9, 2012
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Physicist Pawel Sikorski and his group are making beds of nails on a miniature scale – a plate covered in nano-needles designed to puncture individual cells.
Bio & Medicine
May 24, 2013
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Titanium is a strong, resilient and relatively light metal. Its properties have also been well studied; scientists know a great deal about it. All of this makes it the ideal base for fashioning artificial limbs—particularly ...
Materials Science
Nov 25, 2022
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