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Pastimes : Let's Talk About Our Feelings!!! -- Ignore unavailable to you. Want to Upgrade?

To: Daniel Schuh who wrote (86746)	9/6/2000 1:57:15 PM
From: cosmicforce	Respond to of 108807

Under some circumstances two particles can have very closely tied wave functions. You can produce these types of things in very coherent beams of light. In QM, the wave function is everything. So you can take these two "things" (frequently photons) and entangle them. This means that the wave function of one is tied to the wave function of the other. They are quite literally entangled in our plane of existence - the existence of one is tied to the other. Once you get a pair of these, you can separate them (they remain entangled). If one decays, the other must also decay at the same time. It has been hypothesized that if you could create a reasonable population of these things, you could change the wave function of one with some apparatus and the other would also change state (without the influence of the apparatus). The change of state transcends the speed of light because of the QM entanglement. Here is a Scientific American article about this action at a distance effect. It is not just theoretical - people have been doing this experimentally at a very primitive level: sciam.com