"Thermal imaging never made sense in the paranormal world. To my limited knowledge, thermal images are seen on the premise of emitting radiation. But even ghosts represent matter - of what kind, I don't know. "
"Anything that makes a noise in the dark will put people ill at ease. It's not just ghosts people think of. My first thought would be burglars. Ghosts would probably be my last guess if I couldn't figure out where the noise originated from."