Superconductivity is a quantum phenomenon. The superconductor will move freely on a circular magnet. It is not levitation but called Quantum locking. The future for Quantum locking is holding a small car in place on top of it without moving.
The process in which an organism seems dead but is not.Human are briefly deanimated. You came bring a person back after 3 hours of no heartbeat. The most toxic chemical is in our brain because we create it. We can use a toxic chemical and save people with it.