Psychokinesis, often shortened to PK, is the proposed ability of the human mind to influence physical objects or systems without any physical contact or known force. Sometimes called telekinesis, it encompasses everything from supposedly moving a matchstick across a table to subtly shifting the output of electronic devices. Despite decades of laboratory testing and a handful of statistically unusual results, mainstream science does not accept psychokinesis as a real phenomenon. The concept sits at the intersection of psychology, physics, and parapsychology, and understanding why it remains so controversial requires looking at all three.
Where the Idea Comes From
Reports of mind-over-matter abilities are ancient, appearing in religious texts, folklore, and spiritualist traditions across cultures. The modern scientific interest in PK took shape in the early 20th century, when parapsychology labs began designing controlled experiments to test whether people could influence dice rolls, card shuffles, or other random outcomes using only their thoughts. The term “psychokinesis” was coined in 1914 by the American author Henry Holt and later popularized by parapsychologist J.B. Rhine at Duke University, who ran thousands of dice-throwing trials in the 1930s and 1940s.
Today, PK research has largely moved away from dice and physical objects toward electronic random number generators, or RNGs, which produce streams of ones and zeros that should be perfectly random. The idea is simple: if a person can mentally bias those outputs even slightly, it would be measurable evidence that the mind interacts with matter in ways physics doesn’t currently explain.
The Princeton Lab Experiments
The most extensive laboratory effort to test psychokinesis ran for nearly three decades at Princeton University. The Princeton Engineering Anomalies Research (PEAR) lab, founded in 1979, asked ordinary volunteers to sit near an electronic random number generator and try to mentally push its output higher or lower than chance. Over 12 years, 91 volunteers collectively completed 2.5 million trials.
The results were small but statistically notable. The difference between “push high” and “push low” conditions produced a Z-score of 3.99, roughly four standard deviations from what pure chance would predict. That translates to odds of about 15,000 to 1 against the results being a fluke. When the lab combined all variations of its RNG experiments into a single larger database, the Z-score climbed to 6.06, with odds against chance in the billions.
Those numbers sound impressive, but context matters. The actual size of the effect was tiny, only a few parts in 10,000. In practical terms, if the RNG was supposed to produce 50% ones and 50% zeros, volunteers shifted it to something like 50.01%. Critics argued that such a minuscule deviation could be explained by subtle equipment artifacts, selective data analysis, or statistical quirks over very large datasets rather than genuine mental influence. The PEAR lab closed in 2007, and no independent lab has consistently replicated its findings under equally rigorous conditions.
The Global Consciousness Project
A related effort, the Global Consciousness Project, has been running since 1998. It maintains a network of 65 random number generators spread across the globe, each producing 200 random bits per second. Researchers compare the RNG data against a timeline of major world events, such as terrorist attacks, elections, natural disasters, and mass celebrations, to see whether the data becomes less random when large numbers of people share a strong emotional experience simultaneously.
Over more than 345 formal tests, the project reports that its composite statistic departs from chance expectation by more than six standard deviations. The researchers interpret this as evidence that collective human attention or emotion may produce subtle, measurable effects on physical systems. Secondary analyses also found temporal and spatial patterns in the data that corresponded to the timing and location of events.
The project’s designers say they’ve excluded conventional physical explanations and experimental errors. Still, many statisticians and physicists remain unconvinced, pointing out that the selection of which events count as “global” involves subjective judgment, and that analyzing enormous datasets for correlations after the fact raises the risk of finding patterns that aren’t really there.
Famous Claims and Cold War Testing
The most widely known individual associated with psychokinesis is Nina Kulagina, a Russian woman studied by Soviet scientists from the early 1960s through the 1980s. Kulagina typically sat at a small table and appeared to move lightweight objects placed in front of her, including matchsticks, an empty matchbox, a cigarette, a metal salt shaker, and a wristwatch, apparently through intense mental concentration. She first came to Western attention through a 1968 documentary film, and five Western scientists eventually observed her over the years.
Some of the claims around Kulagina went further. She reportedly stopped the beating of a detached frog’s heart and revived nearly dead fish in an aquarium. Observers also reported that she could produce intense heat sensations on another person’s skin through light contact, leaving reddened marks without blisters. One researcher described the heat as unbearable pain, while others found it merely uncomfortable.
Kulagina’s demonstrations were never tested under the kind of tight controls that would satisfy modern skeptics. The sessions were typically arranged by sympathetic researchers, lighting and camera angles were limited, and professional magicians were rarely if ever present to check for trickery. The magician James Randi, who spent decades investigating paranormal claims, demonstrated that identical effects could be produced using sleight of hand and simple stage techniques.
Why Physics Says It Shouldn’t Work
The deepest objection to psychokinesis comes from fundamental physics. For the mind to move matter, it would need to supply energy and momentum to that object. This directly conflicts with conservation laws, the foundational principles stating that energy and momentum in a closed system cannot be created or destroyed.
This problem has been recognized since the 1600s, when philosophers first criticized René Descartes for claiming that an immaterial mind could push physical matter around in the brain. If a nonphysical mind could add energy to a physical system, energy would appear from nowhere. If matter acted back on the mind, energy would vanish. Either scenario breaks conservation of energy. The same logic applies to conservation of momentum and angular momentum.
These aren’t minor technicalities. Conservation laws emerge from deep symmetries in the structure of the universe: energy is conserved because the laws of physics don’t change over time, and momentum is conserved because they don’t change from place to place. For psychokinesis to be real, those symmetries would have to fail locally whenever someone exercises PK, while somehow holding everywhere else. Dozens of prominent philosophers and physicists have cited this as a fatal problem not just for PK but for any theory proposing that a nonphysical mind directly causes changes in the physical world.
Psychological Explanations
Even without a physical mechanism, the experience of believing in psychokinesis is psychologically real and well understood. Humans are pattern-seeking creatures. We instinctively notice when a random event seems to match our intention (the “hits”) and forget or dismiss the far more numerous times nothing happened (the “misses”). This combination of confirmation bias and selective memory can create a powerful subjective sense that you influenced an outcome when you didn’t.
Brain imaging research adds another layer. A 2022 study published in PubMed found that people with stronger paranormal beliefs show distinct patterns of electrical activity in the frontal lobes, the brain regions most associated with executive functions like reasoning, planning, and evaluating evidence. Specifically, believers showed lower coherence in certain brainwave frequencies across frontal regions. The researchers concluded that differences in how the frontal brain processes information may contribute to paranormal beliefs, though this doesn’t mean believers are less intelligent. It suggests their brains may weigh ambiguous evidence differently.
Social context also plays a role. In live demonstrations, audience expectations, dim lighting, the authority of a confident performer, and the sheer desire for something extraordinary to be true all make people less critical observers. Professional magicians have long noted that the conditions under which PK demonstrations succeed are exactly the conditions most favorable for undetected trickery.
Where Things Stand
Psychokinesis occupies an unusual position in science. A small number of carefully run experiments have produced results that are statistically hard to dismiss as pure chance, particularly the Princeton PEAR data and the Global Consciousness Project. But the effects, when they appear at all, are extraordinarily small, not consistently replicable by independent labs, and have no plausible mechanism under known physics. Meanwhile, every famous demonstration of large-scale PK, objects visibly moving across tables, has failed to hold up under truly controlled conditions with independent observers and professional magicians present.
Most scientists view the statistical anomalies as more likely explained by subtle methodological issues, selective reporting, or the sheer volume of data analyzed than by a genuine mind-matter interaction. The scientific consensus remains that psychokinesis has not been demonstrated to exist. What has been demonstrated, convincingly, is that the human mind is remarkably good at convincing itself otherwise.