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Monday, August 8, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Nanoscale secret to stronger alloys: Scientists find nanoparticle size is readily controlled to make stronger aluminum alloys

Posted: 07 Aug 2011 11:38 AM PDT

Researchers have solved the mystery of one of the most promising aluminum alloys ever for strength, hardness, lightness, and resistance to corrosion and heat. The secret is the formation of core-shell nanoparticles all nearly the same size.

New conducting properties discovered in bacteria-produced wires

Posted: 07 Aug 2011 11:38 AM PDT

The discovery of a fundamental, previously unknown property of microbial nanowires in the bacterium Geobacter sulfurreducens that allows electron transfer across long distances could revolutionize nanotechnology and bioelectronics, says a team of physicists and microbiologists. Their findings may one day lead to cheaper, less toxic nanomaterials for biosensors and solid state electronics that interface with biological systems.

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