And once more, I direct you to the fact that human perception is incredibly adept at picking out patterns, putting two and two together and getting fish - a proven psychological fact. EMF Meters: http://www.livescience.com/4261-shady-science-ghost-hunting.html So, right off the bat, we have a peddler of "ghost hunting" equipment ADMITTING that none of it can conclusively detect a ghost... charming. Plus: https://skeptoid.com/episodes/4081 So... simply put, just by having other electrical items in proximity, those EMF meters are, in essence, worthless. Plus, what on a ghost would be electromagnetic? Infrared Thermometers: https://skeptoid.com/episodes/4081 So... the claim that an infrared thermometer can detect a ghost is absurd... it needs a physical thing to get a reading from; a smokey substance in the air simply won't do it! Various Cameras: Now, given that everything from TV remotes to night-vision security cameras emit infrared spectrum... plus, again, what on a ghost would be emitting infrared? As far as audio recordings: How, exactly, would this audio equipment pick up an inaudible ghost noise when it is designed to work on the same principles as our ears?