It’s Been Real. Hasn’t It?
What is reality?
“What do we really describe in physics?” he [Zeilinger] asked. “Do we describe reality? Is it out there?”
Classical physicists would have said yes, resoundingly. Studying physics reveals nature’s workings, providing an explicit map of reality’s subtleties. Those subtleties would be there whether we figured out how to question and extract them.
But in [...]