Futurehead.com

Only the tiny bits of matter, atoms and molecules, have even been observed in a quantum state—until now. In a study in this week’s Nature, physicists report that they’ve put the largest object ever into that state where the weird rules of quantum mechanics apply, and things can be in two places at once. Research leader Andrew Cleland says: “There is this question of where the dividing line is between the quantum world and the classical world we know. We know perfectly well that things are not in two places at the same time in our everyday experience, but this fundamental theory of physics says that they can be” [BBC News].

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