The route to high-speed quantum computing is paved with error

When it comes to quantum computing, mostly I get excited about experimental results rather than ideas for new hardware. New devices—or new ways to implement old devices—may end up being useful, but we won’t know for sure when the results are in. If we are to grade existing ideas by their usefulness, then adiabatic quantum computing has to be right up there, since you can use it to perform some computations now. And at this point, adiabatic quantum computing has the best chance of getting the number of qubits up.



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