I just watched this video again. What starts as a classic explanation of quantum theory type things like entanglement and superposition moves in a very interesting direction.
The basic theory, of course, is that any entity (say…an electron) becomes entangled with another after contact and that new entangled entity is both a wave and a particle at the same time. It exists as a wave until it is measured whereupon it collapses into entangled particles.
In this video it is proposed that the wave function never collapses but, instead, is split into many other independent wave functions due to interaction with the environment…creating many worlds.
I’d like to take this a bit further and say that in the spirit of the emptiness of self due to dependent arising, where no true momentary measurement is ever possible, this theory holds true.
Perhaps we exist in a state where all things are fully entangled and there are infinite possible “Realities”.