Des scientifiques de l’Imperial College de Londres annoncent avoir développé un nouveau détecteur de maladies, dix fois moins onéreux que ce qui existe sur le marché et surtout beaucoup plus sensible, à base de nanoparticules d'or.
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Scientists are using a novel fabrication process to create ultra-efficient solar energy rectennas capable of harvesting more than 70 percent of the sun's electromagnetic radiation and simultaneously converting it into usable electric power.
===> "The solar power conversion device under development by this collaboration of two universities and an industry subcontractor has the potential to revolutionize green solar power technology by increasing efficiencies, reducing costs, and providing new economic opportunities," Zimmerman says. <===
Gust MEES's insight:
===> "The solar power conversion device under development by this collaboration of two universities and an industry subcontractor has the potential to revolutionize green solar power technology by increasing efficiencies, reducing costs, and providing new economic opportunities," Zimmerman says. <=== Check also: - http://www.scoop.it/t/21st-century-innovative-technologies-and-developments?tag=Nano
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(Phys.org)—Portable, accurate, and highly sensitive devices that sniff out vapors from explosives and other substances could become as commonplace as smoke detectors in public places, thanks to researchers at University of California, Santa Barbara.
Read more, very interesting...: http://phys.org/news/2012-11-nanotech-device-mimics-dog-nose.html
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Ein verdrillter Faden, der sich schnell auf- und abwickelt oder sich zusammenzieht und ausdehnt, soll einen leistungsfähigen und vielseitigen Antrieb ergeben.
Mehr erfahren, sehr interessant...: http://www.golem.de/news/wissenschaft-kuenstliche-muskeln-aus-nanogarn-1211-95757.html
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November 1, 2012 9:24 AM
(Phys.org)—Researchers at Rice University have refined silicon-based lithium-ion technology by literally crushing their previous work to make a high-capacity, long-lived and low-cost anode material with serious commercial potential for rechargeable...
Read more, very interesting...: http://phys.org/news/2012-11-boost-silicon-based-batteries.html
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Most flexible polymers are inherently flimsy. When you look at their micro-structures it's easy to see why: They look like piles of entangled spaghetti strands. Delete the scoop?
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(Phys.org)—In order to build the next generation of nuclear reactors, materials scientists are trying to unlock the secrets of certain materials that are radiation-damage tolerant.
Read more, very interesting...: http://phys.org/news/2012-11-nano-insights-nuclear-reactors-self-healing.html
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November 2, 2012 9:32 AM
(Phys.org)—At its heart, photovoltaics research is about finding materials with specific properties that make them good at absorbing sunlight and converting it into electricity.
Read more, very interesting...: http://phys.org/news/2012-11-two-dimensional-semiconductor-ideal-band-gap.html
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October 31, 2012 7:39 PM
(Phys.org)—Stanford University scientists have built the first solar cell made entirely of carbon, a promising alternative to the expensive materials used in photovoltaic devices today.
Read more, very interesting...: http://phys.org/news/2012-10-all-carbon-solar-cell.html
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