G is for GHOSTS

"An idea, like a ghost, must be spoken to a little before it will explain itself."  - Charles Dickens
Are Ghosts Real?

Well, there is as much evidence to support their existence 
as there exists evidence to support the existence of Black Holes.
Which is to say "Not Any."
People have claimed to have photographed, studied, and observed Black Holes ...
 but not under laboratory conditions ...
just like with ghosts.
It is very hard to prove something does NOT exist.
Beside, science is not gospel ... ah, aren't those two oxymorons?
I mean it was once science to bleed already weakened patients. 
 Science is basically just accepted opinion.
Experiments to prove a theory are prone to confirmation bias ... 
in that we see what tends to support our beliefs.
Then, there is Dr. Henry Stapp, a quantum physicist who worked with Heisenberg.
He postulated that the soul might be the quantum processing in our brains that produced consciousness ...
and after death, all that quantum processing was released into the world.
He thought it was possible that our consciousness could exist separately as a mental energy.
How might those "entities" exist in our physical world and could they manifest themselves under the right conditions?
Which leads to the "Stone Tape" theory ...
ghosts are merely echoes of those entities absorbed in the mason of walls 
by the mental energy created by traumatic events.
What do you think of all this?   Do you believe ghosts are real?   Could they possibly exist?