Digit is an autonomous robot that sits in an autonomous vehicle. Once the destination is reached, your house for example, Digit finishes the delivery by getting out of the car and dropping the package off at your door. Very cool stuff! Go here for more information on Digit.
STEM (Science, Technology, Engineering and Math) students can study Artificial Intelligence, Robotics, Mechanical, Electrical, or Computer Engineering to design and build robots, like Digit, and autonomous vehicles.