Contact: Laura Ost
National Institute of Standards and Technology (NIST)
Caption: The NIST process for "purifying" an unusual property of quantum physics called entanglement involves illuminating two pairs of beryllium ions (charged atoms) with a series of ultraviolet laser pulses.
Credit: Bill Pietsch, Astronaut 3 Media Group Inc.
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Related news release: NIST physicists boost 'entanglement' of atom pairs