Technology'Half-quantum' cryptography promises total security Sharing an encryption key securely is possible even if one party remains firmly rooted in the world of classical physics ¿ìè¶ÌÊÓÆµ
SpacePhotons flout the light speed limit A quantum tunnelling experiment has apparently propelled photons faster than the speed of light ¿ìè¶ÌÊÓÆµ