Your car may already be able to tell you if the tire pressure is too low. Now researchers at Purdue University say they can make a tire into one big sensor that will also tell you things like how the treads are wearing, whether the tires are balanced, and where that little nail has slipped into the rubber. It works because of the materials used throughout the tire, as well as a chip that monitors the status and relays the information to the driver. But before you go looking for this at your local Sears auto center, you might first see it in action in an upcoming Nascar event.
Read the full Reuters story here: "'Smart' tires can warn of impending flat"