Millions of atoms entangled in record-breaking quantum tests

Two teams report pushing the spooky effect to larger scales than ever before

atoms

QUANTUM TANGLES  Scientists have pushed quantum entanglement to new levels in two experiments. In one study, researchers linked up millions of atoms, and in another, intertwined hundreds of large groups consisting of billions of atoms.

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In a feat of quantum one-upmanship, two teams of scientists have staked new claims of linking whopping numbers of atoms at the quantum level.