In Quantum Mechanics, Nothingness Is the Potential To Be Anything

Suppose you want to empty a box. Really, truly empty it. You remove all its visible contents, pump out any gases, and — applying some science-fiction technology — evacuate any unseeable material such as dark matter. According to quantum mechanics, what’s left inside? It sounds like a trick question. And in quantum mechanics, you know to expect a trick answer. Not only is the box still filled…

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