Forum Moderator Garrett Lisi discusses his approach to understanding the geometric nature of fermions by looking at their interactions. Explore more: "Lie Group Cosmology by Garrett LisiJoin Garrett Lisi as he delves into Li Group Cosmology. "Garrett Lisi: The 248 Dimensional Object That Unifies the Universe": Theoretical physicist Garrett Lisi talks to Curt Jaimungal on the "Theories of Everything" podcast. Keywords: Garrett Lisi, Gravity, Geometry