TechnologyMega solar plant uses 170,000 mirrors to generate heat for electricity The Ivanpah Solar Energy Facility is one of the largest solar thermal energy plants in the world. It is spread out over 14 square kilometres and can power 140,000 homes every year Regulars
TechnologyCan we quit cobalt batteries fast enough to make electric cars viable? Electric cars depend on cobalt as a key ingredient in their batteries, but a new analysis reveals we may run out by 2030, while car firm Tesla is moving to other types of battery in China Analysis