This guy is fascinating to watch and always has been to me, I’ve seen his episodes over and over and I still love it as though it’s the first time. This episode is a rare one in that I’ve never seen it. So glad it exists here.
Lifting the box - They are standing on a platform. Underneath the platform is a electromagentic generator. He sets it on a high power initially ... then a lower power (allowing them to sort of lift it) .. then leaving it off allowing them to lift the box.