China just advanced another pawn in the high stakes international battle to achieve commercial nuclear fusion. China and the United States have been trading off breakthroughs in the race to unlock the holy grail of clean energy for years now, and the rate of technological advancement has been increasing exponentially as a result of heightened investment and policy support from the two largest economies in the world. The nuclear plants that currently provide 10% of the global energy mix use nuclear fission – the splitting of atoms –…