Filed under: TransportationNot that we haven't seen similar technology from other outfits before, but we'll take as many in-car safety advancements as we can get. It's bruited that Fujitsu is conjuring up a sophisticated sensor system that can actually detect when a driver gets drowsy or begins to sink into a deep, dark wonder-world of sleep. Put simply, the system would detect specific changes in the motorist's heart rate via the steering wheel, and once it determi