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New technique improves artificial photosynthesis

This discovery will make it possible to improve photoelectrochemical cells. In the same way that plants use photosynthesis to transform sunlight into energy, these cells use sunlight to drive chemical reactions that ultimately produce hydrogen from water.

May 10th, 2011

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CO2 makes life difficult for algae

The acidification of the world's oceans could have major consequences for the marine environment. New research shows that coccoliths, which are an important part of the marine environment, dissolve when seawater acidifies.

May 10th, 2011

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Pyrite nanoparticles from deep-sea hydrothermal vents rich source of iron

Similar to humans, the bacteria and tiny plants living in the ocean need iron for energy and growth. But their situation is quite different than ours - for one, they can't exactly turn to natural iron sources like leafy greens or red meat for a pick-me-up. So where does their iron come from? New research points to a source on the seafloor: nanoparticles of pyrite, or fool's gold, from hydrothermal vents at the bottom of the ocean.

May 10th, 2011

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CEA-Leti and 5 partners collaborating on self-powered cardiac pacemaker

Leti and five partners are developing a self-powered cardiac pacemaker eight times smaller than current models. This energy self-sufficient device will harvest mechanical energy from the movements of the heart, potentially eliminating the need for battery replacement through post-op surgery and lowering healthcare costs.

May 10th, 2011

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Nanostrukturen schalten schneller

Rund 100 Nanometer lange Polymerketten koennen als winzige Schalter fuer kuenftige technische Anwendungen dienen. Bisher galt die Reaktionszeit der Nanostrukturen jedoch als zu langsam - eine Gruppe von Forschern der Uni Duisburg-Essen hat nun das Gegenteil bewiesen.

May 10th, 2011

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Optical control of magnetic effects at the nanoscale

Physicists have succeeded in developing a procedure to merge magneto-optics and plasmonics. The effects which were realized for the first time are already that promising, that their application in electronic components should be possible in the next future.

May 10th, 2011

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Electromechanics also operates at the nanoscale

What limits the behaviour of a carbon nanotube? This is a question that many scientists are trying to answer. Physicists at University of Gothenburg, Sweden, have now shown that electromechanical principles are valid also at the nanometre scale. In this way, the unique properties of carbon nanotubes can be combined with classical physics - and this may prove useful in the quantum computers of the future.

May 9th, 2011

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