2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89553Recent work using spontaneous parametric down-conversion (SPDC) has made possible investigations of the Einstein-Podolsky-Rosen paradox in its original (position-momentum) form. We propose an experiment that uses SPDC photon pairs to measure through which slit a photon passes while simultaneously observing double-slit interference.6 pages, 1 figureQuantum Physicstext