MIT Thermodynamics of Materials, Spring 2021 Instructor: Rafael Jaramillo View the complete course: YouTube Playlist: This first class session introduces entropy and spontaneous processes, molecular interactions, and enthalpy, as well as the scope and use of thermodynamics. License: Creative Commons BY-NC-SA More information at More courses at Support OCW at We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at