Quantum math predicts probabilities precisely (Born). But why / how a superposition "collapses" to one result on measurement has NO accepted answer — that is the "measurement problem". The interpretations below are HYPOTHESES.
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Press "Measure" to force the superposition to pick 1 result · pick a "Scenario" (double slit / Schrödinger's cat / entanglement / compare interpretations) · tap a concept for details
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Measurement results over time (↑ high · ↓ low)↑ |0⟩↓ |1⟩