China achieves a quantum jump

Composite photo taken on Dec 10, 2016 shows a quantum communication ground station in Southwest China's Tibet autonomous region. [Photo/Xinhua] "This requires extremely precise measurement," said Wang. "Receiving the entanglement is like catching coins dropped from a plane with a piggy bank." Moreover, quantum entanglements cannot be amplified like radio signals, so scientists still need to overcome disturbances when delivering photon entanglement over thousands of kilometers.

|<< Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next   >>|