This experiment has been around for centuries in it's basic form, both seeming to confirm and deny particle theory. There's TONS of info out there you can find with a simple engine search. It's not magic, just hard to understand. Waves and particles ARE connected, somehow, to probability or POTENTIAL. Since we don't actually observe in one instance, particles could POTENTIALLY go thru both slits...so we get results as if they did go through both and interfere with each other. But, if we observe it going through one slit and not the other, then it's no longer possible for the POTENTIAL to exist anymore...and the behaviour is different. Fascinating stuff...but not magic, conciousness or any of that the way we'd like to imagine.

At least that's my opinion.

Here's some research, explains it in a way that is not so mysterious. Check out the actual link for more details.

"The Copenhagen interpretation (of this experiement) posits the existence of probability waves which describe the likelihood of finding the particle at a given location. Until the particle is detected at any location along this probability wave, it effectively exists at every point. Thus, when the particle could be passing through either of the two slits, it will actually pass through both, and so an interference pattern results. But if the particle is detected at one of the two slits, then it can no longer be passing through both - it must exist at one or the other, and so no interference pattern appears."

http://en.wikipedia.org/wiki/Double-slit_experiment

ie: you change probability by observing. read the whole entry in the encyclopedia (it's not easy, but if you persist, it is understandable)

I don't see anywhere how the double-slit experiment is somehow liked to conciousness of some kind. It's not. Most universities with an advanced enough physics lab can do this experiment and the result is always the same. Observation is not an EFFECT, but a changing of possible variables and possibilities of somekind. It's amazing how worked up people get about something because they don't understand it exactly.

The experiment and it's results simple are what they are. Anyone trying to link it to God or mysticism of some kind is using it like they use any mystery to further these beliefs.