A sensory isolation or "float" tank. Source: Galen Crout/Unsplash What happens when your mind disconnects from all outside sensations? First, you undress, put in earplugs, and step into a floatation ...

There's a new place in Carroll Gardens where, for $99, you can experience pretty much complete sensory deprivation as well as Space Camp-level weightlessness as you float alone for an hour in total ...