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Nature 395, 12-13 (3 September 1998) | doi:10.1038/25592

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Quantum mechanics:  Where the weirdness comes from

Peter Knight1

More than 60 years after the famous debate between Niels Bohr and Albert Einstein on the nature of quantum reality, a question central to their debate — the nature of quantum interference — has resurfaced. Dürr, Nonn and Rempe, reporting on page 33 of this issue1, have used an atom interferometer to show that Schrödinger's concept of 'entanglement' between the states of particles is the key to wave-particle duality, and to understanding much that is weird about quantum mechanics.

  1. Peter Knight is at the Blackett Laboratory, Imperial College, London SW7 2BZ, UK.
    e-mail: Email: peter.knight@ic.ac.uk