ENTITY Physics World

Physics World

PulseAugur coverage of Physics World — every cluster mentioning Physics World across labs, papers, and developer communities, ranked by signal.

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TOOL · CL_63614 · Jun 1 · 11:30

Quantum experiment shows photons spending negative time in atom cloud

A University of Toronto experiment has demonstrated photons appearing to spend a negative amount of time within an atom cloud, a finding that has now cleared peer review and been published in Physical Review Letters. Th…