Did you know this about negative time?

https://www.scientificamerican.com/article/evidence-of-negative-time-found-in-quantum-physics-experiment/

"A negative time delay may seem paradoxical, but what it means is that if you built a ‘quantum’ clock to measure how much time atoms are spending in the excited state, the clock hand would, under certain circumstances, move backward rather than forward,” Sinclair says. In other words, the time in which the photons were absorbed by atoms is negative."

Did you know this about negative time?
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