CADARACHE, France (Reuters)– Construction of an experimental nuclear fusion reactor in southern France is in full swing as the cost estimate has ballooned to nearly four times the original estimate, but the ITER project’s new head says new forecasts are realistic. The seven partners in the International Thermonuclear Experimental Reactor (ITER) – Europe, United States, China, India, Japan, Russia and South Korea – launched the project 10 years ago with a 5 billion euro ($5.6 […]