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Looking at and into the ultra-small

NIST is taking a huge step into the ultra-small with the Precision Imaging Facility (PIF) now being outfitted in new Precision Measurement Laboratory on the Boulder campus.

Posted: Jun 12th, 2012

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Tiny 'speed bump' device could sort cancer cells (w/video)

In life, we sort soiled laundry from clean; ripe fruit from rotten. Two Johns Hopkins engineers say they have found an easy way to use gravity or simple forces to similarly sort microscopic particles and bits of biological matter - including circulating tumor cells.

Posted: Jun 12th, 2012

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Taking aim at electrons: an atomic-scale shooting gallery

In experiments resembling an atomic-scale shooting gallery, researchers are pioneering a new method for chemical analysis by zapping the innermost electrons out of atoms with powerful X-ray laser pulses from SLAC's Linac Coherent Light Source (LCLS).

Posted: Jun 12th, 2012

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Spin currents in topological insulators

Once again, Würzburg physicists provide new insights into spintronics: In ultra-thin topological insulators, they have identified spin-polarized currents, which were first theoretically predicted six years ago. They also present a method of application for the development of new computers.

Posted: Jun 12th, 2012

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Helices of light: dark helices with a bright future

Laser beams can be made to form dark as well as bright intensity helices, or corkscrews of light. Researchers have now shown that forming dark helices can have considerable advantages over employing their commonly considered bright cousins.

Posted: Jun 12th, 2012

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