# Quantum computers: are they possible or impossible?

I know quantum computers are very complicated and my question is is there any way in "Principle" to create one? Are there already quantum computers being created?

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Related: physics.stackexchange.com/q/7412/2451 and links therein. –  Qmechanic Mar 5 '13 at 21:36
You can buy one dwavesys.com/en/products-services.html –  Martin Beckett Mar 6 '13 at 0:59

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