A speculative framework proposing that retrocausality—future events influencing the past—is a real physical phenomenon, not just a mathematical curiosity. The Hypothesis of Retrocausality suggests that time's arrow is not fundamental but emergent, and that at deeper levels, causation flows both ways. This could resolve quantum paradoxes (like wavefunction collapse), explain non-locality, and even open possibilities for time-symmetric physics. The hypothesis is not yet proven, but it offers a elegant way to think about quantum mechanics: the future and past are in dialogue, each shaping the other. It's a radical reimagining of causality itself.
Hypothesis of Retrocausality "Entanglement seems to connect particles across time as well as space. Retrocausality hypothesis says: maybe the future measurement influences the past preparation. Not spooky action at a distance, but spooky action across time. The universe might be a four-dimensional block where past and future are equally real—and equally causal."
by Dumuabzu March 6, 2026
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