Since the 1960s, we’ve known that light water nuclear reactors weren’t the only way to generate electricity by splitting the atom. One alternative design, so-called “molten salt reactors,” were more complicated, but potentially much more safe and economical. Copenhagen Atomics is one company betting it all that the future of nuclear energy is molten salt, molten salt made from an element even more abundant than uranium: thorium. Noted Nuclear Zaddy Kyle Hill travels to Denmark in Part One of a Thorium MSR adventure.