Manhattan Project NHP (@mnhtnprojectnps) 's Twitter Profile
Manhattan Project NHP

@mnhtnprojectnps

Learn about the people, stories, and legacies the Manhattan Project, the top-secret project that forever changed the world.

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linkhttps://www.nps.gov/mapr/index.htm calendar_today03-11-2015 18:02:02

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@mnhtnprojectnps

a year ago

#OnThisDay Sept. 26, 1944, the B Reactor achieved criticality after dealing with a major challenge. Scientists encountered a problem called “poisoning” that kept stalling and then ending the reaction. Scientists overcame it by loading additional slugs of uranium. #OTD

#OnThisDay Sept. 26, 1944, the B Reactor achieved criticality after dealing with a major challenge. Scientists encountered a problem called “poisoning” that kept stalling and then ending the reaction. Scientists overcame it by loading additional slugs of uranium. #OTD