In this week's podcast, we discuss the future of education. We examine the advantages and disadvantages of MOOCs and other online courses, and in the process we identify four distinct educational challenges: communication of information, motivational structure, certification, and community. We also stress the importance of returning to first principles and asking fundamental questions about what the purpose of education is. At the end of the episode we discuss the possibility of augmented reality to revolutionize the practice of "learning by doing."