> But the vast majority of physicists today think the collapse of the wave-function isn’t a physical process. Because if it was, then it would have to happen in

> But the vast majority of physicists today think the collapse of the wave-function isn’t a physical process. Because if it was, then it would have to happen instantaneously everywhere. I'm a physicist and this does not pass the sniff-test. Part of the problem is we don't know what a "physical process" is. And the second sentence just does not follow from the first (if we even knew what the first sentence meant).