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Science 24 April 2009:
Vol. 324. no. 5926, pp. 473 - 474
DOI: 10.1126/science.1170912
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Perspectives

Physics:

Where Is My Quantum Computer?

P. Hemmer1 and J. Wrachtrup2

The title question is echoed by electrical engineers and consumers alike. It has now been 15 years since quantum computing came to the forefront of popular science with its promise of superpowered computers for the future, so it is natural to be wondering when the first commercial products will appear on the market.

1 Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA.
2 Institute of Physics, University of Stuttgart, 70550 Stuttgart, Germany.

E-mail: prhemmer{at}ece.tamu.edu; wrachtrup{at}physik.unistuttgart.de

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Science. ISSN 0036-8075 (print), 1095-9203 (online)