Quantum mechanics and time travel…

“In the beginning, all the universes in the multiverse were only bubbles in the multiverse’s froth…if there was a beginning. Did God see it all and call it good but play a grand joke on us mortals just for kicks? Maybe the bubbles keep coming? I’ll never know the answer to that question, of course. No mere mortal can know. But there is a multiverse, and it’s filled with universes, quantum states of a unique universe, and mostly filled with stars…and delightful and dangerous weirdness.”

That’s p...