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"Many algorithms will only give the correct answer with a certain probability, however by repeatedly initializing, running and measuring the quantum computer, the probability of getting the correct answer can be increased."
You'll run into similar problems if you make transistors so small that they're vulnerable radiation and other noise.
So is anyone working on doing reliable computing on unreliable hardware?
The article mentioned "custom electronics based on cellphone technology" which I guess can only mean IC's and all the usual suspects of circuits. What is not clear is how they leveraged the circuits to do the "quantum" side of the computing. MEMS maybe ?