Dark voids sprint past light in lab—without breaking relativity
TL;DR
Physicists using ultrafast electron microscopy observed empty voids (singularities) in phonon-polariton waves inside a thin boron nitride sample that move faster than light. Because these voids contain no information, their superluminal motion does not violate special relativity, and the work reveals universal laws of wave dynamics with potential to advance ultrafast studies across physics and materials science.
Topics:sciencephysics-and-mathematics#boron-nitride#light-speed#phonon-polaritons#physics-and-mathematics#singularities#ultrafast-microscopy
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