Spirit Raps
Referenced in 1 episode
Definition
Unexplained knocking sounds reported in seances and poltergeist cases. Researcher Barry Colvin found in 2010 that their acoustic signature differs from ordinary knocks.
Referenced in 1 episode
Unexplained knocking sounds reported in seances and poltergeist cases. Researcher Barry Colvin found in 2010 that their acoustic signature differs from ordinary knocks.