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Title: Chicago Pile-3 Site A
Caption: Chicago Pile-3 site A. CP-3 was the first heavy water reactor to go critical, on May 15, 1944. It was shut down in 1954. Argonne National Laboratory.
Category: Science: History • History: United States
Credit: Album / Science Source / Argonne National Laboratory
Image size: 1500 × 1887 px | 8.1 MB
Print size: 12.7 × 16.0 cm | 590.6 × 742.9 in (300 dpi)