Quantum Superposition and Reality: Realities Are Separate But Linked. Quantum physics teaches us that the realiyy we experience is but one wave out of a enormous number of wave possibilities. The wave possibilities is the quantum superposition which contains all the possibilities.
Richard Feynman MIT lectures on Quantum Mechanics - Fascinating 1. Introduction to Superposition. [Only his later lectures need university level math knowledge] Experiments: https://www.quora.com/What-is-the-superposition-principle-in-Quantum-Mechanics-in-laymans-terms [Lecturer: Professor Alan Adams]