“It sounds like science fiction. Ocean-going ships with no-one on board. But this vision of the future is coming – and sooner than you might think.

You can glimpse it in a Norwegian fjord where a huge, lime-green vessel is being put through its paces. At first glance, it seems like any other ship. Look closer, though, and you suddenly see all the hi-tech kit. Cameras, microphones, radars, GPS and all manner of satellite communications.”

From BBC.