As the old saying goes: the proof is in the pudding. And quantum computing has produced zero pudding. All hype, and zero pudding. When they actually do something useful (like the equivalent of general relativity and solving GPS), then we can see it as a useful theory.
"In early May, news reports gushed that a quantum computation device had for the first time outperformed classical computers, solving certain problems thousands of times faster. The media coverage sent ripples of excitement through the technology community. A full-on quantum computer, if ever built, would revolutionize large swathes of computer science, running many algorithms dramatically faster, including one that could crack most encryption protocols in use today.
"Over the following weeks, however, a vigorous controversy surfaced among quantum computation researchers. Experts argued over whether the device, created by D-Wave Systems, in Burnaby, British Columbia, really offers the claimed speedups, whether it works the way the company thinks it does, and even whether it is really harnessing the counterintuitive weirdness of quantum physics, which governs the world of elementary particles such as electrons and photons."
And 12 years from now we will be reading the same things. It's just shocking the amount of faith people have in this physics. Physics, to me, is a dying subject. The future is engineering and computing.
