Screencasts: > 100 short screencast organized by topic and by textbook

Quiz screencasts: screencasts with built-in quizzes

Interactive Simulations: 22 simulations: Heat transfer, heat exchangers, conduction, convection, radiation

Interactive Self-Study Modules: 5 interactive self-study modules

ConcepTests: more than 75 multiple-choice conceptual questions (instructors only) 

Digital Experiments: 4 experiments: Double Pipe Heat Exchanger, Evaporative Cooling, Shell and Tube Heat Exchanger, Cross-flow Heat Exchanger