Originally posted by Pappa_Bear
Someone correct me if I am wrong here; but isn't teleportation the disassembly, movement to another location, and reassembly of an organic or inorganic object?
You are correct.
But data can also be teleported. And while it is not tangible, it does exist.
Instantaneous transport of data across space is a big step.
Quantum entanglement has been known of for quite some time now, I am glad that its potential for communication is being explored publicly.
I would like to see this sort of experiment done with the transmission of data across large distances.
We can already transmit data into the past - before it hes been sent.
Here is how it works:
"Let's say that Alice on a space station sends a signal to Bob, who is on a distant space ship. Let's call Alice's frame of reference S, and Bob's frame of reference S'. If Bob's space ship is traveling away from Alice at a significant portion of the speed of light, then in S' event B can happen before event A, so according to Bob, the signal is received before it's sent, just as we said could be the case. More importantly, by choosing Bob's speed fast enough, we can make B occur as long before A as we want. Since, according to the principle of relativity, the laws of physics are the same in all inertial frames of reference, Bob should be able to use the same technique Alice did to send a superluminal signal back to Alice, and he can make it have the same speed according to S' that Alice's signal had according to S.
Ok, so here's the trick, if we make sure Bob is going really fast, then he can receive the signal long before it's sent, so when Bob sends his superluminal signal back to Alice it will arrive back at Alice's space station (event C) before Alice ever sent her signal in the first place (event A). What's more, since events A and C both happen at Alice's position, and Alice is moving at less than the speed of light (by assumption), then A and C have a timelike separation. This means that if C happens before A in frame S', then C happens before A in every frame of reference. Put another way, C is inside the past light cone of A, which will be true in every frame of reference. So as long as she has a fast enough moving relay station, like Bob's space ship, Alice can send messages into her own past. "
-Unperson
*We already have the technology that reflects an incoming signal in just one direction, always - no matter what... And it is also old technology. This would make sure that the beam always went to the right place in the past.
what's more: the efficiency of this technology has been increased by over four (possible five) orders of magnitude over the past 28 years.

[edit on 22-6-2009 by Exuberant1]


There is nothing to elate.
