Waste is the nuclear industry’s Achilles heel – and its worst nightmare. Proposals to relaunch nuclear power, after most European countries had decided to abandon it, have rekindled the debate between its supporters and opponents. At the heart of the matter is everyone’s fear of radioactive waste. Populations are afraid of it and scientists still have not found a satisfactory way of dealing with it. Meanwhile, the heads of the industry try to reassure us and politicians avoid the issue.