Quantum theory says that each (quantum) entity has both a wavelike and a particle-like aspect. The particle-like characteristic is fixed but the wavelike one is a set of potentialities that cannot be reduced to the entity or its parts. If two or more of these entities are brought together, their potentialities are entangled. Their wave aspects are interwoven to the extent that a change in the potentiality in one brings about a corresponding change in the potentiality of the other. A new shared reality emerges that could not have been predicted by studying the properties of the entities.