I came accross this article at cnn.com and found this amusing. A good read actually...

Futuristic windshield aims to help older drivers

WARREN, Michigan (AP) -- When Coke-bottle glasses just won't cut it for safe driving, a futuristic windshield might do the trick.

General Motors Corp. researchers are working on a windshield that combines lasers, infrared sensors and a camera to take what's happening on the road and enhance it, so aging drivers with vision problems are able to see a little more clearly.

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GM's new windshield won't improve their vision, but it will make objects stand out that could otherwise go unnoticed by an aged eye.

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For example, during a foggy drive, a laser projects a blue line onto the windshield that follows the edge of the road. Or if infrared sensors detect a person or animal in the driver's path during a night drive, its outline is projected on the windshield to highlight its location.
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