Courga unfortunately i dont understand your analogy..i could easily formulate mental image of baby elephant (or baby elephant disappearing) i tinker around with (electromagnetic) levitational devices, mirrors, optical illusions..for a couple hundred dollars i could probably make you invisible! maybe its irrelevant..not real, but something i could replicate, thats attainable..unlike dreams (lucid dreams) scientifically proven in 80's yet documented throughout history yet we cant pigeonhole whats going on..its too early, my personal opinion dreams aren't constantly upgraded or updated (like science) ..neither are ghosts