12-year-old seventh grader William Yuan's idea for a more efficient solar cell has earned him a reception at the Library of Congress and a $25,000 scholarship. "William's work was evaluated by university professors and environmental scientists," said Tacie Moessner, Davidson Fellow's program manager. "They look for the project's potential to benefit society and make sure it is socially relevant. Generally, the projects need to be at the graduate level." Hard to believe this was designed by a seventh grader. Rock on, William!

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