I have always wondered at certain claims of telekinesis like the one in PEAR, how they suppose that it should work, even if it works. How on Earth is the brain going to influence a random number generator when the brain is not able to fathom the quantum workings of a random number generator...
The first two pages of the Jeffers and Sloan paper (1992, the single-slit experiment) survey that question.
Keep in mind that quantum mechanics says that particles don't really exist in the traditional way, but exist simultaneously in a number of states (i.e., position, velocity, etc.) until they are observed. The observation
per se causes them to appear in a fixed state, and the state in which they are observed is governed by a probability distributed among all possible states until the "collapse." Stanley Jeffers points out that a few early physicists entertained the hypothesis that observation was a conscious act, and speculated whether the state of consciousness in the observer had some effect on the way the wave function (i.e., the mathematical description of all those simultaneous states) collapsed.
This is a smidgen disingenuous, because none of those theories really caught on, were validated empirically, or persisted much past the 1950s. Jeffers postures the single-slit experiment as such such an attempt at empirical proof -- which, of course, failed. Less adventurous physics maintains that quantum observation requires no special property in the observer and exerts no variable effect on the wave function. And Jeffers' results are consistent with this.
To answer what I think is your real question, I gather that while the purported effect may be conscious, it may not be cognitive. That is, you don't need to know the intimate realities of fluid dynamics in order to breathe, to affect your breathing, or to cause your breath to have effects on the outside world. Instructions such as "Shift the diffraction pattern to the left," or "Make more ones than zeros come out of the machine," weren't intended to require the operator to know how the apparatus worked at any scope of examination. It's closer, I think, to flying by thinking happy thoughts. Your consciousness is presumed simply to preferentially collapse wave functions without a lot of detailed planning.
Was that the question you were wondering about?
Don't forget to add levitation to that, as moving other bodies, including one's own, is part of this family of bull. And it's rooted way back in time, in those oriental beliefs that "pure/advanced souls" can float...
Yes, let's not forget that this thread seems to be one in a loosely-related series attempting to provide scientifically addressable proof for tenets of Buddhism, or some similar belief system that incorporates elements of Buddhism. And in Buddhism macro-level psychokinesis is a thing. In many of the dharmic religions, degrees of enlightenment are associated with supernatural mind-over-matter ability. Of course anyone familiar with stage magic knows how the swami
really levitates, and how the spoons really bend. But there is a movement in all religions, I think, that wants to argue that the supernatural claims have some secular justification or validity.
I agree with Darat :—
The type of experiment PEAR did ... was looking for an effect they could shoehorn into the word "telekinesis" -...
It really was a matter of hoping to find something no matter what that meant something was happening that couldn't be explained by "regular" science.
It's all about getting a foot in the door. If you can show that a quantum-level PK effect exists, then skeptics are wrong in principle -- an important rhetorical victory -- and the rest is just a matter of scale or degree. It could then be said that ordinary people can manipulate matter by forcing wave-function collapses to be non-stochastic on the order of a few particles, but then more enlightened folk could do that on a grander scale because their consciousness just had that much more horsepower.
But of course those claimed macro-psychokinetic effects have never been demonstrated under rigorous empirical control, and those who purport macro-scale ability eschew the rigor and complain about it. This leads the critical thinker to conclude that the macro effects are more likely to be the obvious sorts of stage magic which the actors know would be revealed by the proposed controls, and which the observers have seen revealed to them by their magician friends. The world is right to be skeptical of claims to supernatural ability that work only when conditions are just right.