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Quantum Multicast


fiveworlds

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It seems easy to me that we can make use of quantum entanglement for broadcast however is it possible to make use of quantum entanglement for multicast?? Lets say that we could use the broadcast for dns how would dns tell the computer how to entangle with the server?? It is basically entangling particles at a distance so do the particles we entangle have to be right beside each other when we entangle them??

Edited by fiveworlds
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Okay I don't know much about entanglement but I remember this article https://www.nasaspaceflight.com/2016/08/long-march-2d-quantum-communications-satellite/ about trying to use entanglement for cryptographic key-pair sharing using quantum entanglement. Were they just reading the state of the entangled particles rather than actually changing the state of the entangled particles???

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