It's only a half-step from what we already have, you have to think about it technically to realize how difficult it is. We already have live broadcasts, CCTVs,

It's only a half-step from what we already have, you have to think about it technically to realize how difficult it is. We already have live broadcasts, CCTVs, aerial imagery and photo satellites. Astral projection is almost the same thing :) I suspect even very educated people might make this class of mistake if they don't take the time to think about how something works.