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Thanks, I'll stand partially corrected. It was a badly written comment, or muddled thoughts, or both. I didn't mean to doubt the existence of superposition or o

Thanks, I'll stand partially corrected. It was a badly written comment, or muddled thoughts, or both. I didn't mean to doubt the existence of superposition or our ability to achieve it for sustained periods. But doesn't the point stand? I meant to say that none of the examples seem to demonstrate both 1) and 2). Do we know of any natural system which can maintain and precisely manipulate a quantum state like a quantum computer needs to?

immibis 1y ago
Well no, but we also don't know any natural system that does fusion using an amount of material smaller than about a billion billion billion tonnes. Getting from A (what we know works) to B (what we'd like to work) is the hard problem. That's called research.