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Quantum optics is outside my realm of expertise; to be honest my eyes kind of glaze over whenever these guys give a talk. The real life applications of this are not really teleportation in the "beam me up sense" but more along the lines of encryption.

If your transmission is based on quantum entangled photon states, it is physically impossible to eavesdrop without giving yourself away, since the act of eavesdropping 'collapses the quantum superposition' (like when you open the box with Schrodingers cat). They've actually already rolled out systems based on this technology in various places in the world, but there is a lot of work to improve bandwidth and so forth.

I won't say too much more as I'm well outside the field and will probably garble it.




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