It is hard to say if quantum computing has come very far since its inception in the 1990s. In recent years Lockheed and government funded D-Wave efforts gave rise to notion that commercialization was nearing, which is probably not the case. One issue is the qubits that form the core memory elements are error prone. A recent advance in Quantum error correction proves both that useful work is underway and that we still have a long ways to go. Google's interest hardly betokens looming commercialization. - Jack Vaughan
Related Links
http://www.scottaaronson.com/blog/?p=1400
http://www.scottaaronson.com/blog/?p=2155
It is hard to say if quantum computing has come very far since its inception in the 1990s. In recent years Lockheed and government funded D-Wave efforts gave rise to notion that commercialization was nearing, which is probably not the case. One issue is the qubits that form the core memory elements are error prone. A recent advance in Quantum error correction proves both that useful work is underway and that we still have a long ways to go. Google's interest hardly betokens looming commercialization. - Jack Vaughan
Related Links
http://www.scottaaronson.com/blog/?p=1400
http://www.scottaaronson.com/blog/?p=2155
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