This video extends How Do Quantum Computers Work: https://www.youtube.com/watch?v=g_IaVepNDT4 Prof. Morello explains why spin does not mean the particle is actually spinning. Subatomic particles like the electron, neutron, and proton have spin, which means they act like tiny bar magnets. This can be used in quantum computing applications. We thank the UNSW School of Physics Demonstration Unit for providing the double pendulum.