Quantum Communication: Two-Way Messaging Without Physical Link?

Stanley514
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You cannot transfer (useful) information quicker than light (or without any transfer of light, particles or similar). You can get the same bits at the same time at two positions far away, but you cannot set those bits at one side to receive them at the other.
 
You cannot transfer (useful) information quicker than light
I did not assume it.Could you teleport it slower than light and have two way communication?In one place I read that quantum communication maybe used for satellites.
If so, than any conventional link of communication will NOT be used?
http://www.quantum.at/research/quan...tanglement/entangled-photons-over-144-km.html
http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=1263786&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel5%2F2944%2F28271%2F01263786
http://www.newscientist.com/article/dn19234-satellite-quantum-communication-circles-closer.html
 
You always need a transfer channel to transmit information from A to B. This can be classical, this can be particles in specific quantum states, or whatever, but you have to transfer something.
 
Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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