File:U.S. Department of Energy - Science - 298 031 001 (9516841897).jpg
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![File:U.S. Department of Energy - Science - 298 031 001 (9516841897).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/U.S._Department_of_Energy_-_Science_-_298_031_001_%289516841897%29.jpg/800px-U.S._Department_of_Energy_-_Science_-_298_031_001_%289516841897%29.jpg?20171121233405)
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