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Physicist develops 'spin battery' using new source of energy

Researchers at the University of Miami and at the Universities of Tokyo and Tohoku, Japan, have been able to prove the existence of a 'spin battery', a battery that is 'charged' by applying a large magnetic field to nano-magnets in a device called a magnetic tunnel junction.

Posted: Mar 12th, 2009

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Quantum dots could boost solar cell efficiency

Working with researchers at PULSE, Stanford University and Lawrence Berkeley National Laboratory, scientists confirm that a single photon can indeed excite more than one electron in a quantum dot.

Posted: Mar 12th, 2009

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Nananotechnology researchers set new record for world's smallest letters

A novel technique that enables researchers to push individual molecules into specifically arranged patterns recently allowed researchers at Stanford University to shatter the long held belief that one bit per atom is the limit for encoding information and reclaim the title of producers of the world's smallest letters.

Posted: Mar 11th, 2009

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