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Ordering mechanism in metallofullerenes

Metallofullerenes are capable of forming ordered supramolecular structures with different orientations. By specifically manipulating these orientations it might be possible to store and subsequently read out information.

Posted: Aug 31st, 2009

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Chemists design polymer-coated nanorods for industrial use

Nanoparticles combining platinum and gold act as superefficient catalysts, but chemists have struggled to create them in an industrially useful form. Rice University chemists have answered the call this week with a polymer-coated version of gold-platinum nanorods, the first catalysts of their kind that can be used in the organic solvents favored by chemical and drug manufacturers.

Posted: Aug 31st, 2009

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Ein Besen aus Licht soll Farblaser billiger machen

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.

Posted: Aug 31st, 2009

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Ethics of human enhancement: 25 questions and answers

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.

Posted: Aug 31st, 2009

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What is what in the nanoworld: A handbook on nanotechnology

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.

Posted: Aug 30th, 2009

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