Hi HN,
Strange question, I know, but I feel this is a good place to ask the question: What would be classed as a "Ghost" detection?
I do not believe in anything; ghosts, deities, witches, skeletons with bows and arrows, zombies or anything else. But I'm obsessed with Ghost hunting YouTube channels. I know it's a load of nonsense, however, like Mulder, somewhere deep down "I want to believe". I understand it's all side effects of being human with good filmography that make this entertaining.
These hunters use some strange equipment, "Rem Pods", EMF testers, "Spiritboxes", etc. These are all easily debunked.
But it got me thinking; What would actually prove the existence of a ghost? What phenomena and what evidence would actually be required?
I don't think anything will ever be found as concrete evidence, but without knowing what the acceptance criteria is, we're ultimately always going to be looking in the wrong place.
PS. It's Halloween soon so thought this may be a fun thought experiment.
More generally - reliable, useful, macroscopic physical actions, requiring non-trivial judgement.
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