Science
In reply to the discussion: Quantum Entanglement, Dark Counts, Coincidence Detection [View all]mindwalker_i
(4,407 posts)Here is a piece I wrote a couple of years ago, talking about this very issue:
http://quantizedimagination.wordpress.com/
As a side note, I'm really bad at setting aside time and writing stuff up, which is why there's not much to that blog. I have another that has even less, but I want to get myself to the point where I post updates to it. That one is:
http://synapticdistress.wordpress.com/
Anyway, the idea of using short timelike loops is a very interesting one. I could imagine making a circuit that does division, leaving a remainder, that tries a number and if the remainder is nonzero, increments the divisor and send that back on the loop. RSA encryption could be wiped out this way. But also, doing short computations and sending partial results back could have wide ranging uses. The first to come to my mind is ray tracing.
Having two of these could allow someone to send messages back arbitrarily far in time if each loop was offset have a retrocausal period. That, of course, would lead to the effect being "macroscopic" in the sense that we could observe it. It would also lead to allowing for highly visible paradoxes (the original idea also would, but it's a little more hidden). That's where I start to wonder if this experiment could break the universe. That really seems unlikely, since if the universe had laws that allowed it to break itself, it would have happened.