A quantum communications satellite proved its potential in 2017
Intercontinental video call sets distance record for cryptography via entangled photons
SPACING OUT Quantum communication through space is possible thanks to a Chinese satellite that beams particles of light down to telescopes like this one in Xinglong, China (shown here tracking the satellite’s location with a laser).
Jian-Wei Pan
During the world’s first telephone call in 1876, Alexander Graham Bell summoned his assistant from the other room, stating simply, “Mr.