Although it is commonly assumed that faster-than-sound passenger travel died with Concorde, this isn’t quite true: it overlooks the Caledonian Sleeper. With a few whiskies inside you, this is as close as you can get to teleportation. Yes, according to the timetable it takes about eight-and-a-half hours between Perth and London, but as you are asleep for eight of them, this makes for a supersonic speed of 900 miles per conscious hour.