There’s a rift in reality—an invisible border that separates two utterly different realms. On one side lies our everyday world, where things obey commonsense rules: objects never occupy more than one ...
A replica of Foucault's famous experiment at the Museo Nazionale della Scienza e Tecnica in Milan, Italy Wikimedia Commons On February 3, 1851, a 32-year-old Frenchman—who’d dropped out of medical ...