Oh heck. That was the first thought I had when trying to remember this physics principle. Aren’t there particles, which (can) exist in pairs, and when you affect one member of one pair, the other is affected instantaneously? I think the way you affect them is to change the spin, but I can’t remember correctly.
What are the names of these particles? I seem to remember they were leptons or neutrinos.
Are they always paired? Do you take two and “introduce” them, or do they start out stuck together and we split them?
Can we do this, or is this just something that is theoretically possible? I mean, presumably these little buggers are mind-bendingly small. Can you send one member of the pair to L.A., and do something to its mate in New York, without some part of this process being totally impractical? How would you store something that small? EM field?
Why can’t this be used for instantenous communication? I had a really annoying roommate, who was an electrical engineer, so I figured he had to be useful for something other than walking around naked from the waste down. I asked him, and the way he explained it was really weird. He said it “violated causality”, but this seemed to boil down to: we can’t communicate instantaneously, since all of our other theories say light is the fastest thing in the universe and it would be a pain to change all of those theories.
Needless to say, I don’t put much stock in that theory since this guy was a bozo, and since I wasn’t sure I was following him correctly anyway. I don’t have any problem with light as an absolute speed limit, but I didn’t really think speed limits applied to information. Can somebody explain this to me in layman’s terms, preferably with your pants on?
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