caballoalazan on Nostr: Yes. ...

quoting nevent1q…438q

They were used in both the King's and Queen's Chambers as sensory deprivation tanks used both in healing work and "initiation" work respectively.

Sources include books declassified, by the U.S., authors whose work was used in other declassified U.S. research, known science on sensory deprivation tanks and theta waves, and known science on some effects of theta wave brain states.

And that doesn't even include any of the niche, "woo woo" sources that totally validate this. What's funny is that some stuff many might call "woo woo" is known to the U.S. government at some level. The Navy figured out something cool on a Texas base in 1969. The Air Force figured out something cool in the 1940s while studying the magnetic north pole.