|Filing Number:||96 - Ancient Man Used “Super-Acoustics” to Alter Consciousness (... and Speak with the Dead?)|
|Lost & Found:|
|Tags:||acoustics; sound; sound waves; architecture; mediums|
Article about a cave that's acoustics were altered by ancient man, purportedly to allow them to speak to the dead.
Digital Archive contains a PDF printout of the article, Physical Archive contains a printout.