Was Silizium fuer die Entwickler von Computerchips, ist fuer Laserphysiker eine Substanz namens Lithiumniobat. Diese Stellung verdanken die durchsichtigen Kristalle vor allem einer schoenen Eigenschaft: Sie koennen die Farbe von Laserlicht veraendern. Dazu muessen sie allerdings ausreichend sauber sein. Und diese Reinigung war bislang ein schwieriges und teures Unterfangen. Forscher um den Bonner Physiker Professor Dr. Karsten Buse konnten freien Elektronen nun mit einem Besen aus Licht aus dem Kristall kehren.
Aug 31st, 2009
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Pat Thiel, senior chemist at the U.S. Department of Energy?s Ames Laboratory, has been named the winner of the 2010 Arthur W. Adamson Award for Distinguished Service in the Advancement of Surface Chemistry.
Aug 31st, 2009
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The Human Enhancement Ethics Group today released a new report funded by the US National Science Foundation, addressing such topics as: definitions, possible scenarios, freedom and autonomy, fairness and equity, societal disruptions, human dignity, rights and obligations, and policy and law.
Aug 31st, 2009
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Scientists have developed a new molecular sensor that can reveal the amount of zinc in cells, which could tell us more about a number of diseases, including type 2 diabetes.
Aug 30th, 2009
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Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light in a space smaller than a single protein molecule.
Aug 30th, 2009
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The panel is being convened as a result of discussions at a March meeting of the ANSI- NSP, where members identified nanomedicine as an industry sector where the U.S. should take the lead in development of nanotechnology standards.
Aug 30th, 2009
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Specialists in the fields of nanoscience and nanotechnology have a new high quality resource at their fingertips courtesy of the online publication of the first articles for new journal Nanoscale.
Aug 30th, 2009
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Researchers have achieved the highest efficiency for solar power, setting a new world record of 43 per cent of sunlight converted into electricity.
Aug 30th, 2009
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The second, completely revised and enlarged edition of What is What in the Nanoworld summarizes the terms and definitions, most important phenomena, and regulations occurring in the physics, chemistry, technology, and application of nanostructures.
Aug 30th, 2009
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'10 ways to control rheology by changing particle properties' is the latest addition to Malvern Instruments' INFORM series of white papers, which are designed to provide advice on material characterization issues.
Aug 29th, 2009
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This October, the Organic Photovoltaic industry's leading experts unite in one spectacular educational program--offered exclusively at the 1st annual Organic Photovoltaics Summit USA.
Aug 29th, 2009
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Chemists at the California Institute of Technology (Caltech) and The Scripps Research Institute (SRI) have developed an innovative technique to create cheap but highly stable chemicals that have the potential to take the place of the antibodies used in many standard medical diagnostic tests.
Aug 28th, 2009
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Manipulating tiny objects like single cells or nanosized beads often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough to place on a chip, according to Penn State engineers.
Aug 28th, 2009
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Using nanoparticles designed specifically to produce a bright Raman spectroscopic signal, a team of investigators has shown that it can simultaneously track as many as 10 different optical tags in a living animal.
Aug 28th, 2009
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By combining a gold nanoparticle with a unique family of nucleic acids, researchers at Northwestern University have created a new type of intracellular reporting system that with a flash of light reveals the presence and quantity of a wide variety of biologically important molecules.
Aug 28th, 2009
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Nano- und Mikrotechnologien sowie Innovative Werkstoffe sind die Basis fuer die Produkte von morgen.
Aug 28th, 2009
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