Episode 3 introduces to you two big ideas, not commonly discussed. The first is emergy, an indirect form of energy that once found can be used to one's advantage. Second, the idea of the uneducated class is introduced. This idea emerges from consideration of Ruskin's ideas on education. It is about knowing what needs to be known to be able to move from where you are to where you want to go. It is about having sufficient knowledge and skills to not be consider uneducated in this task.