The evolution of a single spin under coherent driving and spontaneous decay. TWA (solid lines) shows strong agreement with the exact solution (circles) for weak to moderate loss rates. Credit: PRX Quantum (2025). DOI: 10.1103/1wwv-k7hg Imagine zooming into matter at the quantum scale, where tiny particles can interact in more than a trillion configurations at once. If that sounds complicated, it is: Physicists often rely on supercomputers or even artificia