I read his book "Demon Haunted World" many years ago. I recall that he referred to an experiment where a computer controlled digital readout was placed in a high location not visible to people in an emergency room of some hospital. This display showed computer controlled random words to test whether anyone having an "out of body" near death experience and floating above their body would see and correctly report what the display was showing. Surely, over the intervening years, there must have been some positive or negative data from this experiment, but I have not been able to find any information about it. Does anyone here know anything about it?