Lecture 2 | Free Will Lecture Series | Measuring a particle’s spin: It tells you. The SPIN axiom, 101 property, and M.C. Escher. Demonstrating the paradox, clarifying Heisenberg’s Uncertainty Principle, disproving Leibniz’s Sufficient Reason. The EPR effect and the TWIN axiom. The FIN axiom and why you need large distances to experimentally test the Free Will Theorem. Why the chair doesn’t spontaneously move.