No one at the wheel.

• Position: Technology - Brief article

If you live in California, you might have already seen it in action: the Google car, which drives itself around with the help of computers, sensors, and cameras, eliminating the need for an actual person to steer. Joining Nevada and Florida, California "legalized" the cars in September, meaning the state will set guidelines for when the car can be sold to the public; in the meantime, though, Google employees in California have already been commuting in the cars as part of the company's safety testing. Because California tends to be a trendsetter for laws, Google hopes more states will follow its example. The new...