Did D-Wave really demonstrate "the world's first commercial quantum computer"?

On February 13, D-Wave Systems, a startup based in Burnaby, British Columbia, claimed to have demonstrated "the world's first commercial quantum computer." Did they really pull it off?

At the Computer History Museum in Mountain View, CA, Geordie Rose, the company's founder and chief technology officer, showed how the Orion computer could search for a protein in a database and find the closest match, discover the optimal seating arrangement for the guests at a wedding reception, and solve a Sudoku puzzle.

But computer scientists who specialize in quantum computing have been profoundly skeptical of D-Wave's demonstration. D-Wave provided no evidence to back up its claims: it has released only the sketchiest details about the inner workings of Orion. What computer scientists do know does not impress them.

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