A research team seems to have broken the most recent record of distance for quantum teleportation, posted by a Chinese research group. This new record is about the distance between New York City and Philadelphia and concerns the quantum state of a single photon. While it also might sound that the transfer happens instantaneously, the steps required to read out the teleported quantum state ensure that it doesn’t travel faster than the speed of light, which would break causality.
Read more @ SciTechDaily
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