It's Not a Lack of Technology That's Keeping Conductors in Trains http://ifttt.com/images/no_image_card.png

We have all the tech needed to make autonomous trains. The problem isn't technology. It's line of sight, and the massive distances trains need to identify and react to obstacles and bring a few hundred tons of steel and cargo to a stop safely.



via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/9oG_J_HQ2_c/