Sunshine has long offered a tantalizing source of environmentally friendly power, bathing the Earth with more energy each hour than the planet’s population consumes in a year. But capturing that power, converting it into useful forms, and especially storing it for a rainy day, poses provocative engineering challenges. Our world needs engineers to explore ways of making solar energy economical as well as other breakthrough energy solutions, like nuclear fusion, so that society is able to maintain a healthy and happy life for people in the centuries to come.
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