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Discussion of the Essence# programming language, and related issues and technologies.

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Keep on spinning: A persistent spin state that could revolutionize spintronics


By controlling the collective spin state of highly mobile electrons in semiconductors, researchers in the Materials Sciences Division (MSD) at the U.S. Department of Energy's Lawrence Berkeley National Laboratory have taken a major step forward in the technology of spintronics. At the same time they have discovered a new conservation law, an important advance in fundamental physics.
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