David Carse on holograms
âAnother similar analogy which hasnât been around as long is the hologram. A hologram is really only an illusion created by projecting a beam of coherent light. Yet a very sophisticated hologram would have the potential to look and sound and otherwise seem very âreal,â as real as physical reality, so that you could interact with a hologram if a person as if there were a ârealâ person there, which of course there wouldnât be.
Yes, but a hologram wouldnât really seem real, because it isnât substantial; you could put your hand through it or walk through it, for example. But thatâs why I say I donât see how it applies; I donât think you or that wall are dreams or holograms, because they are very substantialâ I canât walk through you.
Exactly. So I ask you, under what circumstances would a hologram seem very substantial? Or put it another way, to whom would a hologram appear solid?
Another hologram...â
From Perfect Brilliant Stillness











