"I'll need a HYPNO-mech for Kharanda, myself," Vall said.
"Time Crime"
H. Beam Piper
"We still have Coru-hin-Irigod and all his gang, under HYPNO.
"Time Crime"
H. Beam Piper
It's just a crude variant of our HYPNO-mech process, except that instead of implanting information in the subconscious mind, to be brought at will to the level of consciousness, it works the other way, and draws into conscious knowledge information already in the subconscious mind.
"Last Enemy"
Henry Beam Piper