The flipped classroom is a model in which the student listens to prerecorded video lectures before they come to class. The students' role in the classroom changes from being passive receivers to active learners engaged in "exploration and discovery within the content's framework." In class, the students work with the content in group or individual activities with their teacher, who helps clarify and deepen the students' understanding. https://www.youtube.com/watch?v=G_p63W_2F_4 https://www.youtube.com/watch?v=qdKzSq_t8k8 There is open education, content, and source. Open education is a philosophy about the way people should produce, share, and build on knowledge. Proponents of open education believe everyone in the world should have access to high-quality educational experiences and resources, and they work to eliminate barriers to this goal. Such barriers might include high monetary costs, outdated or obsolete materials, and legal mechanisms that prevent...