In Tempe Arizona, the city has allowed Uber to test it's self driving cars on it's state roads. This self driving car had a back-up real live driver to try and avert any disasters has made headlines for all the wrong reasons. It has struck and killed a woman. Immediately the company has stopped all testing of self driving cars in other cities. This is just a warning that all of this technology is still in developmental phase, and not fool proof. NY Times has all the details for you