Quantum teleportation in the news

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SUMMARY

The discussion centers on the concept of quantum teleportation and the phenomenon of entanglement as reported in a Fox News article. It clarifies that while quantum teleportation allows for the transfer of information, it does not enable faster-than-light communication or the transportation of matter. The relationship between entangled particles does not imply a causal connection, as measurements on one particle do not instantaneously affect the other. Instead, the correlation between measurements is established only when results are compared after the fact.

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That Fox News story is somewhat misleading. In particular, this part:
Physicists can't instantly transport matter, but they can instantly transport information through quantum teleportation. This works thanks to a bizarre quantum mechanics property called entanglement.
is just plain wrong. There is no faster-than-light information transfer going on.

The spooky distance-independence of entanglement is very strange, but it does not imply any sort of causal connection. All that I can say is that if I have measured one member of the entangled pair, I know what the result of a measurement on the other member of the pair would be. Maybe that other measurement was made long before I made my measurement, maybe it will never happen... All I know is that if the other observer and I get together after the fact and compare notes we will see a relationship between his results and mine.
 
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