Originally Posted by
big john
I don't know if that's the one but a class I had told of a headlight on Mercedes Benz which would put the light where it was needed, sensing oncoming cars, levels of darkness, and even upcoming turns in the road. The cost was about $5000 per light. I think they were arrays of LEDs.
I've had several cars with adaptive headlights that would automatically dim in oncoming traffic, turn with the steering wheel, and do some other things. They have worked great.