Quantum particles seen distorting light from a neutron star

New Scientist, Leah Crane Wednesday, November 30, 2016

The vacuum of space isn’t as empty as it seems. Astronomers using the Very Large Telescope in Chile have just watched virtual particles in space acting like prisms, aligning the light from a neutron star.

The observation confirms an 80-year-old prediction from the theory of quantum electrodynamics, a framework describing how light and matter interact at subatomic scales.

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