Also, if you want more “surprising” aspects of entanglement, I think superdense coding is a nice example. Basically, sharing an entangled qubit does let you send information, but only after you also send one more qubit in an ordinary way. This is very not possible with hidden variables.
Also, if you want more “surprising” aspects of entanglement, I think superdense coding is a nice example. Basically, sharing an entangled qubit does let you send information, but only after you also send one more qubit in an ordinary way. This is very not possible with hidden variables.