Knowledge should be free

Ever since watching altered states about a psychologist who is researching mind-body detachment, I have been interested in taking a dip in one of those isolation tanks.  I have heard them call isolation tanks, float tanks, or sensory deprivation chambers, but the concept is the same: float in one for about an hour and forget that your brain is attached to your body.   The tank is filled with a large amout of epsom salt (800-1000 lbs) to make you more buoyant than the dead sea.  It is also heated to 94 degress to make it close to your body temperature. 

 I just finished the biography of Richard Feynman and found that he used a float tank during his battle with cancer.  The only downside I see with these tanks is that they are generally operated by hippies or pseudo-hippies who are looking to get virtually high without any drugs or some sort of holistic healing quackery. 

 Joe Rogan (fear factor) has a youtube video about his float tank (cost $13k).

http://www.youtube.com/watch?v=YEjTXX2rHgA

Here is a list of places which have float tanks.  Some of these sub-links are broken

http://unames.com/floating/where.htm

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