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Scientists have developed a new way to manipulate atoms inside diamond crystals so that they store information long enough to function as quantum memory, which encodes information not as the 0s and 1s crunched by conventional computers but in states that are both 0 and 1 at the same time. Physicists use such quantum data to send information securely, and hope to eventually build quantum computers capable of solving problems beyond the reach of today's technology.

For those developing this quantum memory, the perfect diamonds don’t come from Tiffany & Co. — or Harry Winston, for that matter. Impurities are the key to the technology.

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Category: Science