The car that drives itself

Radar, ultrasound and lasers enable this car to drive itself - even on the busy roads of Las Vegas. BBC Click's Marc Cieslak sat in the front seat - but did not need to take the wheel - letting the car do all the driving.

But will such cars ever become commonplace on our roads?

Watch more clips on the Click website. If you are in the UK you can watch the whole programme on BBC iPlayer.