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Reply #12: Nah. [View All]

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Ratty Donating Member (1000+ posts) Send PM | Profile | Ignore Wed May-19-10 01:45 PM
Response to Reply #4
12. Nah.
Hmm, I'm not crazy about the phrase "The researchers who have accomplished this feat note that this brings us closer to communicating information without needing a traditional signal," since I can't tell from the article what they mean by traditional signal. But according to Wikipedia:
Quantum teleportation, or entanglement-assisted teleportation, is a technique used to transfer quantum information from one quantum system to another. It does not transport the system itself, nor does it allow communication of information at superluminal (faster than light) speed ... The prerequisites are a conventional communication channel capable of transmitting two classical bits (i.e. one of four states), and an entangled Bell pair (b,c) of qubits

Quantum teleportation has always required a second slower-than-light signal in order to extract any information. There's more on this in in the discussion section - it's a very very common misunderstanding.
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