I have done a little ghost hunting. I have a theory about ghosts. With all the people that see unexplained apparitions and hear strange otherworldly sounds, it is unlikely they are all imagining this phenomena. So there must be something going on. I believe there is a possibility that hauntings are a capturing of traumatic events recorded on an ectoplasmic type plane, that under the right conditions, replays itself like a movie. So---there could be a scientific explanation for hauntings. Many times, the haunting appears to be the same sequence of events. For example---"and on dark stormy nights the lady in white can be seen gliding down the hallway crying for her long lost baby, and then she descends the staircase and vanishes into the night..." Hauntings like this are often in this way---a repeat of a sequence. It is like it is a replaying of a movie. And the film is something in the air yet to be discovered by science.
But then on the otherhand, there are plenty of cases where this theory could be challenged---poltergeists and ones where there is interaction with a living person. There have also been cases reported of a ghost of a living person.
I took a couple parapsychology classes in college where we studied unexplained phenomena. It was quite interesting. If ghosts are indeed real as entities and not recordings like my theory, can you imagine what will happen? We might spend some of our afterlife on earth haunting others of our choosing.
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"My journey has just begun."