#The [[action-at-a-distance]] of [[quantum entanglement]].<ref>Quantum entanglement has not yet communicated information faster than the speed of light, but has already exhibited action faster than the speed of light.</ref> | #The [[action-at-a-distance]] of [[quantum entanglement]].<ref>Quantum entanglement has not yet communicated information faster than the speed of light, but has already exhibited action faster than the speed of light.</ref> |