We're getting closer to that reality, or may have even surpassed it by now. The points raised in Lucas' paper bear revisiting, especially with the rapid rise of cloud computing, which spreads ...

Doing so requires the use of a third node acting as a kind of mediator – for simplicity’s sake, the team has named the three nodes Alice, Bob and Charlie, each of which contains a diamond-based qubit.

Communication networks need nodes at which information is processed or rerouted. Physicists have now developed a network node for quantum communication networks that can store single photons in a ...