No such thing as empty space

An ingenious experiment in which tiny parcels of light, or photons, are produced out of empty space has confirmed a long-standing theory that a vacuum contains quantum fluctuations of energy. In a landmark result, an international team of researchers has demonstrated for the first time a strange phenomenon known as the dynamical Casimir effect, or DCE for short.

Prof Tim Duty, School of Physics, UNSW

Nature

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