Posted on March 18, 2016 by

The most powerful memory after the lesson is the image of the atmosphere that is created, with students lying on the floor with their backs visibly more connected to the ground, and in particular, those long periods (sometimes more than 20 minutes) that passed in complete silence.

They’re called floatation tanks and they’re the most innovative tool for dealing with physical and psychological stress. It involves large tanks of water (20 cm deep) in which is dissolved 400 kgs of magnesium sulfate.