In this solo episode, Fundamentals discusses the concept of mathematics and Bitcoin as time machines. He explores how math can solve problems more efficiently and how Bitcoin's ability to traverse space enables it to provide a sense of time. Fundamentals also delves into the importance of learning math and how Bitcoin can enhance the learning process. He emphasizes the significance of Bitcoin in the context of the real work that needs to be done and highlights the need to adopt Bitcoin to progress further. The episode concludes with a discussion on the importance of spending Bitcoin and participating in a circular economy.