US fusion firm Commonwealth Fusion Systems (CFS) has announced partnerships with Nvidia and Siemens to develop a digital twin of its SPARC fusion reactor.The companies claim they will apply artificial intelligence (AI) and industrial data tools to accelerate the path toward commercial fusion energy.The announcement was made at CES, where CFS CEO and co-founder Bob Mumgaard appeared on stage alongside executives from Nvidia and Siemens. The SPARC tokamak reactor is a compact fusion device, expect...