Physicists just witnessed pinpricks of darkness moving faster than the speed of light ‪—‬ without breaking the laws of relativity

For the first time, researchers have detected empty voids moving faster than the speed of light — and they blazed past that cosmic speed limit without breaking the laws of relativity. A recent study shows the voids’ acceleration. Researchers used recent advances in ultrafast electron microscopy to measure voids in phonon-polariton waves zooming around inside…

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