NASA's IXPE observed a highly magnetized neutron star for more than 140 hours. The polarization pattern matches a 90-year-old prediction of quantum electrodynamics: in extreme magnetic fields, the vacuum can behave like a medium that changes light. Further observations will test the result.
Music: Kevin MacLeod (incompetech.com) - CC BY 4.0
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NASA's IXPE observed a highly magnetized neutron star for more than 140 hours. The polarization pattern matches a 90-year-old prediction of quantum electrodynamics: in extreme magnetic fields, the vacuum can behave like a medium that changes light. Further observations will test the result.
Music: Kevin MacLeod (incompetech.com) - CC BY 4.0