Both the U.S. and China are investing in nuclear fusion, and expecting results. Fusion’s unresolved engineering challenges (getting more power out than you have to put in) must be overcome first. If achieved, it offers the prospect of an almost inexhaustible source of energy. As Dan Yurman explains, this month the U.S. passed a bill that includes $2.8bn for fusion energy-related projects and research. The U.S. Fusion Industry Association said … [Read more...]