An anonymous reader writes: IEEE Spectrum reports that Stanford's "CS221: Introduction to Artificial Intelligence" will be offered online for free. Anyone can sign up and take the course, along with several hundred Stanford undergrads. The instructors are Sebastian Thrun, known for his self-driving cars, and Peter Norvig, director of research at Google. Online students will actually have to do all the same work as the Stanford students. There will be at least 10 hours per week of studying, along with weekly graded homework assignments and midterm and final exams. The instructors, who will be available to answer questions, will issue a certificate for those who complete the course, along with a final grade that can be compared to the grades of the Stanford students. The course, which will last 10 weeks, starts on October 2nd, and online enrollment is now open.