“It depends on whether you are going to do a big one or a tiddler,” says Jade, hooting with laughter. We’re in the middle of nowhere on the edge of the Australian outback, inspecting the Heath Robinson flushing mechanism of a train toilet. The foldaway stainless steel loo, which also doubles as a sink, is clearly a masterpiece of ingenuity. Jade says it is worth getting to know its quirks, since it is going to be one of my most […]