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Tuesday, December 20, 2011

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Researchers measure nanometer scale temperature

Posted: 19 Dec 2011 05:39 PM PST

Researchers have developed a new kind of electro-thermal nanoprobe that can independently control voltage and temperature at a nanometer-scale point contact. It can also measure the temperature-dependent voltage at a nanometer-scale point contact.

Research could improve laser-manufacturing technique

Posted: 19 Dec 2011 12:27 PM PST

Engineers have discovered details about the behavior of ultrafast laser pulses that may lead to new applications in manufacturing, diagnostics and other research.

Quantum computing has applications in magnetic imaging

Posted: 19 Dec 2011 10:52 AM PST

Quantum computing -- considered the powerhouse of computational tasks -- may have applications in areas outside of pure electronics, according to experts.

Towards artificial photosynthesis for solar hydrogen generation: Algal protein gives boost to electrochemical water splitting

Posted: 19 Dec 2011 08:20 AM PST

Water splitting in photo-electrochemical cells to yield hydrogen is a promising way to sustainable fuels. Scientists have now made major progress in developing highly efficient electrodes – made of an algal protein, thus mimicking a central step in natural photosynthesis.

Living 'neon signs' composed of millions of glowing bacteria

Posted: 19 Dec 2011 07:22 AM PST

In an example of life imitating art, biologists and bioengineers have created a living neon sign composed of millions of bacterial cells that periodically fluoresce in unison like blinking light bulbs.

Chemicals and biofuel from wood biomass

Posted: 19 Dec 2011 07:22 AM PST

A new method makes it possible to use microbes to produce butanol suitable for biofuel and other industrial chemicals from wood biomass. Butanol is particularly suited as a transport fuel because it is not water soluble and has higher energy content than ethanol.

Ultra-compact dwarf galaxies are bright star clusters

Posted: 19 Dec 2011 07:20 AM PST

A new statistical study sheds light on the so-called 'ultra-compact dwarf galaxies' (UCDs). A team of astronomers has investigated how many of these UCDs exist in nearby galaxy clusters and groups. They show that the properties of UCDs match those of bright star clusters.

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