Quantum theory provides a foundation for theoretical physics that is extremely predictive and explanatory. As per the Stanford Encyclopedia of Philosophy, the theory is an extraordinarily well-functioning algorithm for predicting and explaining the outcomes of observations, but there is no agreement on what form of objective reality may underpin these findings.

One class of interpretations hypothesizes backward-in-time causal influences, also known as retrocausality, which is the basis for constructing a convincing foundational account of quantum theory. It proposes that a future event could influence the past, like when someone's stomach gets hurt today because of tomorrow's meal.

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