This little laser could be the key to inexpensive self-driving cars
 

To listen to the Googles and the Elon Musks of the world is to believe that one day soon, we'll be tooting down in the highway in cars that control themselves. Those cars will need eyes, though, and that's where a company called Velodyne Acoustics...

http://www.engadget.com/2014/09/26/v...=rss_truncated