Die Quantenphysik kann bestätigen, wo sich jemand befindet

„Scientists have demonstrated a quantum technique to ensure that someone is in the location they claim to be, physicist Abigail Gookin reported March 18 at the American Physical Society’s Global Physics Summit. Called quantum position verification, the technique is based on the concept of quantum entanglement, in which the fates of two far-flung particles are closely linked.“