Home Education Ep. 28 Mastering the Materials Part 4 Ep. 28 Mastering the Materials Part 4 By Mark Giuliani - November 27, 2017 In Episode 28 – Mastering the Materials Part 4, 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.