Ever since the origination of quantum mechanics, some theorists have searched for ways to incorporate additional determinants or "hidden variables" that, were they to become known, would account for the location of each individual impact with the target.
Desde a orixe da mecánica cuántica, algúns teóricos buscaron formas de incorporar determinantes adicionais ou "variables ocultas" que, se se desen a coñecer, darían conta da localización de cada impacto individual co target.