Vacuum’s quantum effect on light detected

Neutron star observations support 80-year-old prediction

Corona Australis

QUANTUM QUIRK  Scientists observed a bizarre effect of quantum physics in light from a nearby neutron star, located in the constellation of Corona Australis (above). Light from the star, too faint to be seen in the image above, is polarized due to interactions with the vacuum of space in a strong magnetic field.

ESO, Digitized Sky Survey 2

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