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The practical full-spectrum solar cell comes closer

Although full-spectrum solar cells have been made, none yet have been suitable for manufacture at a consumer-friendly price. Now Wladek Walukiewicz, who leads the Solar Energy Materials Research Group in the Materials Sciences Division (MSD) at Berkeley Lab, and his colleagues have demonstrated a solar cell that not only responds to virtually the entire solar spectrum, it can also readily be made using one of the semiconductor industry's most common manufacturing techniques.

Posted: Jan 25th, 2011

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GRIN plasmonics: A practical path to superfast computing, ultrapowerful optical microscopy and invisibility carpet-cloaking devices

They said it could be done and now they've done it. What's more, they did it with a GRIN. A team of researchers have carried out the first experimental demonstration of GRIN - for gradient index - plasmonics, a hybrid technology that opens the door to a wide range of exotic optics, including superfast computers based on light rather than electronic signals, ultra-powerful optical microscopes able to resolve DNA molecules with visible light, and 'invisibility' carpet-cloaking devices.

Posted: Jan 24th, 2011

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Plasmonic metamaterials: From microscopes to invisibility cloaks

A new class of artificial materials called metamaterials - which derive their properties from carefully engineered, nanostructured building blocks rather than from their chemical composition - may one day be used to create ultrapowerful microscopes, advanced sensors, improved solar cells, computers that use light instead of electronic signals to process information, and even an invisibility cloak.

Posted: Jan 24th, 2011

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New microscopy method opens window on previously unseen cell features

Nongjian Tao and his colleagues at the Biodesign Institute at Arizona State University have pioneered a new technique capable of peering into single cells and even intracellular processes with unprecedented clarity. The method, known as electrochemical impedance microscopy (EIM) may be used to explore subtle features of profound importance for basic and applied research, including cell adhesion, cell death (or apoptosis) and electroporation - a process that can be used to introduce DNA or drugs into cells.

Posted: Jan 24th, 2011

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Intelligent microscopy

Scientists at European Molecular Biology Laboratory (EMBL) Heidelberg created new software that rapidly learns what researchers are looking for and automatically performs complex microscopy experiments.

Posted: Jan 24th, 2011

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Touchscreen aus Kohlenstoff

Fraunhofer-Forscher entwickeln ein alternatives Touchscreen Display aus erneuerbaren, preisguenstigen und weltweit verfuegbaren Rohstoffen. Auf der Messe nano tech in Tokio stellen die Stuttgarter Wissenschaftler vom 16. bis 18. Februar Touchscreens vor, die Carbon-Nanotubes enthalten.

Posted: Jan 24th, 2011

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Curved carbon for electronics of the future

A new scientific discovery could have profound implications for nanoelectronic components. Researchers from the Nano-Science Center at the Niels Bohr Institute, University of Copenhagen, in collaboration with Japanese researchers, have shown how electrons on thin tubes of graphite exhibit a unique interaction between their motion and their attached magnetic field - the so-called spin.

Posted: Jan 23rd, 2011

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Quantum robins lead the way

Researchers have been investigating the mechanism which enables birds to detect the Earth's magnetic field to help them navigate over vast distances. This ability, known as magnetoreception, has been linked to chemical reactions inside birds' eyes. Now a team from Oxford University and Singapore believe that this 'compass' is making use of something called quantum coherence.

Posted: Jan 21st, 2011

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'Breast-on-a-chip' to test nanomedical cancer research

Purdue University researchers have reproduced portions of the female breast in a tiny slide-sized model dubbed 'breast on-a-chip' that will be used to test nanomedical approaches for the detection and treatment of breast cancer.

Posted: Jan 21st, 2011

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