Nuclear fusion is the holy grail of clean energy. We’re closer to it than ever
ITER’s fusion energy experiments will take place inside the vacuum vessel of a donut-shaped machine called a tokamak. Saint-Paul-lez-Durance, France — From a small hill in the southern French region of Provence, you can see two suns. One has been blazing for four-and-a-half billion years and is setting. The other is being built by thousands of human minds and hands, and is — far more slowly — rising. The last […]