Thank you. Ya I know most of that I was referring more toThe end of cyber snooping? Quantum Key Distribution (QKD) delivers private data using the smallest possible packets of light. It could be used to transmit encrypted payments between credit card providers and online retailers to prevent...
what I am wanting to know is what are the problems with sending data with photons of light? in detail? why have we not got this up and running. I want to know so I can work on some or one of the problems