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August 25th, 2004
Five photons linked
Quantum computers, which use attributes of quantum particles like atoms and photons to represent data, promise to solve certain very large problems many orders of magnitude faster than is possible using today's computers. The challenge is being able to manipulate particles well enough to carry out computing. A key step is being able to entangle five particles, which would make it possible to check computations for errors and teleport quantum information within and between computers.
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