We've been using EMF to transmit energy (information) for over a century. I was wondering is there any other way to send a message on long distances, even faster than EMF waves can travel? For example there are particles that travel faster than C. Or as another example I have heard the Quantum Entanglement can be useful in this case.
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I want to know what happens to the space a black hole crosses over as our galaxy travels through space.
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