And if, on top of the bright pulse, a smaller pulse of just the right type is sent, the detector can be forced to record a one or a zero.

ECONOMIST: Secure cryptography is only as safe as its weakest link

China, a country with over 4500 years of recorded history, gave the world, gunpowder, paper, compasses, movable type, and even the seismological detector.

FORBES: China's First Manned Docking of Space Module Is a Success...and a First Step