It is a strange and gruelling race across 250 kilometres of rugged and treacherous desert. There won’t actually be any people racing, and none of the teams even expects to make it to the finish line, never mind crossing it in first place. But if one of them does, there is a $2 million prize to be won.
This year the Defense Advanced Research Projects Agency (DARPA) Grand Challenge for unmanned vehicles, driven only by their onboard computer and navigation systems, takes place on 8 October. It follows two weeks of elimination trials, in which the initial 43 entries were…
