Gilles Deleuze once claimed that "modern science has not found its metaphysics, the metaphysics it needs." The Force of the Virtual responds to this need by investigating the consequences of the philosopher's interest in (and appeal to) "the exact sciences." In exploring the problematic relationship between the philosophy of Deleuze and science, the original essays gathered here examine how science functions in respect to Deleuze's concepts of time and space, how science accounts for processes of qualitative change, how science actively participates in the production of subjectivity, and how D.