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Big Carl, the world’s largest crane, lifted a 551-ton reactor pressure vessel (RPV) into place at Hinkley Point C in southwest England during construction of Unit 2 of the nuclear reactor.—Ameya Paleja, Interesting Engineering, 2 June 2026 That’s just what a team gathered beneath the stands at Stagg Field on the University of Chicago campus on Dec. 2, 1942, did with the world’s first nuclear reactor — nicknamed Chicago Pile-1.—Kori Rumore, Chicago Tribune, 23 May 2026 Let’s say a nuclear reactor does overheat and creates the first-ever nuclear meltdown on the moon.—Robin George Andrews, Scientific American, 19 May 2026 The still pictures, which feature leader Kim Jong Un grinning, only show the sealed hull of the vessel, and no evidence there is a functioning nuclear reactor inside.—Pau Mosquera, CNN Money, 12 May 2026 See All Example Sentences for nuclear reactor