2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/93431We argue that entanglement is the essential non-classical ingredient which provides the computational speed-up in quantum algorithms as compared to algorithms based on the processes of classical physics.11 pages Latex. Appearing in ``Geometric Issues in the Foundations of Science'' ed. S. Huggett et. al. (O.U.P. 1997)Quantum Physicstext