21. Schmidt's early psychokinesis experiments involved machines with one red and one green light. 22. Rhine's experiments into psychokinesis ( PK ) were not replicated by other scientists. 23. It was during this period that young Ossowiecki allegedly demonstrated an ability to perform psychokinesis . 24. Krippner suggested no psychokinesis was involved; the effect was produced by an electrostatic charge. 25. Believers in psychokinesis made errors that favored its existence, while disbelievers made opposite errors. 26. Hasted was a believer in psychokinesis . 27. Spoonbending is a form of psychokinesis the ability to influence an object with the mind. 28. In 1979, Walker and Richard Mattuck published a parapsychology paper proposing a quantum explanation for psychokinesis . 29. Using psychokinesis , Annie animates a suit of armor and attempts to kill Emery with a halberd. 30. The parapsychologist Stanley Krippner had observed Vinogradova rub an aluminum tube before moving it allegedly by psychokinesis .