The discussion centers on the concept of using entangled particles for instantaneous communication, specifically involving one particle on a light sail nanoprobe sent to a nearby star and another particle located in a laboratory on Earth. The consensus is that this approach does not enable instantaneous communication due to the No-Communication Theorem, which asserts that quantum entanglement cannot be used to transmit information faster than light. The participants reference the Wikipedia page on the No-Communication Theorem for further clarification.
PREREQUISITESPhysicists, quantum mechanics enthusiasts, and researchers interested in the limitations of quantum communication and space exploration technologies.
Tim Cavanaugh said:One entangled particle held on a light sail nanoprobe sent to our nearest star, the other entangled particle in a lab on earth. Could this possibly provide instantaneous communication?