dr. raj rajkumar did you have to program every route ahead of time? raj: it needs to have a map of the roads. host: a g.p.s. map. would that count? raj: you can think of this as a g.p.s. map, g.p.s. navigation device and then you tell the system where it -- you want to go. it uses your navigation and your calculation for the route. and the red line is what the vehicle is deciding in real time. the red line. now you'll see if i zoom back a little bit. you see a bunch of dots on the screen. those dots are the laser point from the laser sensors updating in real time. so what you see here is basically a bunch of yellow dots. host: is that that white car? raj: that's the white car. and this dot -- dumpster there. and you basically see a -- host: and all these white lines are the trees. raj: basically it's able to sense -- in this case the rampedse and cameras and lasers act as the eyes and ears of the vehicle. host: how far can it see? raj: 775 meters. it has built-in wireless communications roos that can go as far as 600 meters. host: all right. raj: so le