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2009 Science News of the Year: Matter & Energy

First programmable quantum computer
Ultracold beryllium ions are at the heart of the first programmable quantum computer, an advance that brings scientists closer to harnessing the power of quantum systems for general computing. The new system, researchers report in Nature Physics, flexed its versatility by performing 160 randomly chosen processing routines (SN: 12/19/09, p. 13). 

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