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Making a point: Picoscale stability in a room-temperature AFM

Forget dancing angels, a research team has shown how to detect and monitor the tiny amount of light reflected directly off the needle point of an atomic force microscope probe, and in so doing has demonstrated a 100-fold improvement in the stability of the instrument?s measurements under ambient conditions.

Posted: Mar 24th, 2009

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Flatland physics probes mysteries of superfluidity

If physicists lived in Flatland - the fictional two-dimensional world invented by Edwin Abbott in his 1884 novel - some of their quantum physics experiments would turn out differently (not just thinner) than those in our world. The distinction has taken another step from speculative fiction to real-world puzzle with a paper from the Joint Quantum Institute reporting on a Flatland arrangement of ultracold gas atoms.

Posted: Mar 24th, 2009

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Researchers create nanocarbon catalysts for use in hydrogen storage materials

A team of scientists from Virginia Commonwealth University, the University of Uppsala in Sweden, and the Savannah River National Laboratory have identified that carbon nanostructures can be used as catalysts to store and release hydrogen, a finding that may point researchers toward developing the right material for hydrogen storage for use in cars.

Posted: Mar 24th, 2009

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