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Diamond, nature's hardest known substance, is essential for our modern mechanical world – drills, cutters, and grinding wheels exploit the durability of diamonds to power a variety of industries. But diamonds have properties that may also make them excellent materials to enable the next generation of solid-state quantum computers and electrical and magnetic sensors.

Three physicists whose research on entangled particles plays a key role in attempts to develop super-fast quantum computers could be in the running for the 2011 Nobel Prize in physics on Tuesday.