Explore the concept of particle spin and its geometric origins in this 20-minute educational video. Delve into group theory, state spaces, and quantum mechanics to understand the up and down states of electrons. Follow along as the narrator, Octave Masson, guides you through key topics including an introduction to spin, its role in physics, and its application in quantum mechanics. Gain a comprehensive understanding of electron spin and conclude with a summary of the main concepts. Perfect for those interested in advanced physics concepts and looking to expand their knowledge of particle properties.