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All of life and all of its experiences, although experienced physically, have no perception until processed by the brain. With advancements in neural technology (although, perhaps a few years out) if subject A "a sky diver" is "recorded" (his electrical brain input/output) it could be "played back" in someone else's inputs. This would yield all of the sensations and perceptions of the experience without actually jumping out of a plane, or whatever else one chooses. This could be invaluable for training. It could even evolve to the point of downloading to the brain. A PHD with a click and a few minutes.