Historical term for psychokinesis (PK), to distinguish it from extrasensory perception (ESP, psi-gamma. For more, see: Psi Encyclopedia: Robert H Thouless · PF glossary.
Historical term for psychokinesis (PK), to distinguish it from extrasensory perception (ESP, psi-gamma. For more, see: Psi Encyclopedia: Robert H Thouless · PF glossary.