The solution, says Daniel Clery in this deeply researched and revelatory book, is to be found in the original energy source: the Sun itself. There, at its center, the fusion of 620 million tons of hydrogen every second generates an unfathomable amount of energy. By replicating even a tiny piece of the Sun's power on Earth, we can secure all the heat and energy we would ever need. Nuclear fusion scientists have pursued this simple yet extraordinary...