Home Education Ep. 27 Mastering the Materials Part 3 Ep. 27 Mastering the Materials Part 3 By Mark Giuliani - November 20, 2017 In episode 27 – The Mastering of Materials Part 3, Hussam continues a series on mastering materials for 3 DS. To ask Hussam questions or suggest topics for upcoming shows email him at hsk@gaa.com.