‘If you can’t afford an Apple Vision Pro but you’d still like to see what isn’t really there in front of you, just get yourself some tape, a ping pong ball, and a radio, try out The Ganzfeld Procedure:. Begin by turning the radio to a station playing static. Then lie down on the couch and tape a pair of halved ping-pong balls over your eyes. Within minutes, you should begin to experience a bizarre set of sensory distortions….’ (Austin Kleon)