First came the idea of splitting the atom; then, a chain of events leading to a moment forever etched in collective memory—the use of nuclear weapons on Hiroshima and Nagasaki in 1945.

Fusion is among the most environmentally friendly sources of energy. There are no CO 2 or other harmful atmospheric emissions from the fusion process, which means that fusion does not contribute to ...

It was the height of the Cold War, and US scientists and engineers were working tirelessly to develop the world's first thermonuclear fusion bomb. The project, dubbed Operation Ivy, was set to ...