The Floating World (Sensory Deprivation Tanks)

http://filmow.com/the-floating-world-sensory-deprivation-tanks-t196544 A 2002 documentary about the float tank, a sensory deprivation chamber created by scientist John C. Lilly in the 60's and introduced into popular culture through films like Ken Russell's Altered States (1980). Float tanks are used for meditation, relaxation, visualization and consciousness exploration - aspects that this film explores.
The Floating World (Sensory Deprivation Tanks) The Floating World (Sensory Deprivation Tanks)