Workers laying the graphite core of the 105-B pile of the B Reactor at the Hanford Site,near Richland,Washington,USA,in the 1940s. The B Reactor was the first large-scale nuclear reactor ever built. It was commissioned to produce plutonium-239 as part of the Manhattan Project,the United States atomic weapons development program during World War II. Construction of the reactor began in 1943,and it was finally shut down in 1968 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Library of Congress |
Bildgröße: | 4702 px × 3722 px |
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