When a Quantum Particle Blurs Causality ⚡ экспресс
Original: "Quantum Matter Makes Lightcones Quantum"
When the source of gravity behaves like a quantum object, the boundaries between cause and effect blur.
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When the source of gravity is quantum, the boundaries of cause and effect blur. Light cones are no longer strict: events can both influence and not influence each other—simultaneously. Such quantum causality leads to a new understanding of time.
🎯 The Shapiro delay is real: a radio signal is delayed when passing near a massive body. In a new study, it is described for the first time not as a precise value, but as a quantum phenomenon with inherent uncertainty.