Re: What\'s derivation of phrase \"go into the tank?\"
It refers to a floatation tank. The American neurophysiologist Professor Dr John C. Lilly built a floatation thank in 1950s to investigate whether the origins of conscious activity lie within the brain. A floatation tank was used to eliminate all outside distractions such as sight, sound, touch, and gravity to determine whether the brain needed external stimuli to keep its conscious states going.
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