Self-driving cars are real, but they're not solving mysteries yet

Carmakers are working hard to develop fully autonomous, self-driving cars. And while we have some time to go before we can just hop into a car and let it drive us wherever we please, semi-autonomous cars are currently available and on the road today. SEE ALSO: Lost on how GPS works? So how does autonomous driving work, and what technology is used to make this futurist fantasy a reality? Check out the latest installment of Mashable Explains in the video above for those answers and more.