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- Dayton_Project abstract "The Dayton Project was a research and development project that was part of the larger Manhattan Project to build the first atomic bombs. Work took place at several sites in and around Dayton, Ohio. Those working on the project were ultimately responsible for creating the polonium-based modulated neutron initiators which were used to begin the chain reactions in the atomic bombs. The Dayton Project ran from 1943 to 1949, when Mound Laboratories were completed and the work moved there.The Dayton Project began in 1943 when Monsanto's Charles Allen Thomas was recruited by the Manhattan Project in the role of coordinating the plutonium purification and production work being carried out at various sites. Scientists at the Los Alamos Laboratory calculated that a plutonium bomb would require an internal neutron initiator. The best-known neutron sources used radioactive polonium and beryllium, so Thomas undertook to produce polonium at Monsanto's laboratories in Dayton, Ohio.The Dayton Project developed techniques for extracting polonium-210 from the lead dioxide ore in which it occurs naturally, and from bismuth targets that had been bombarded by neutrons in a nuclear reactor. Ultimately, polonium-based neutron initiators were used in both the gun-type Little Boy and the implosion-type Fat Man used in the bombing of Hiroshima and Nagasaki respectively. The fact that polonium was used as an initiator was classified until the 1960s, but George Koval, a technician with the Manhattan Project's Special Engineering Detachment, penetrated the Dayton Project as a spy for the Soviet Union.".
- Dayton_Project added "2006-05-10".
- Dayton_Project location Dayton,_Ohio.
- Dayton_Project nrhpReferenceNumber "06000480".
- Dayton_Project thumbnail Dayton_Project,_Unit_III,_buildings_4-6.jpg?width=300.
- Dayton_Project wikiPageExternalLink organizingscient00stew.
- Dayton_Project wikiPageExternalLink 4367751.pdf.
- Dayton_Project wikiPageExternalLink Book%20VIII%20-%20%20Volume%203%20-%20Auxiliary%20Activities%20-%20Chapter%204,%20Da.pdf.
- Dayton_Project wikiPageID "11148129".
- Dayton_Project wikiPageRevisionID "605157164".
- Dayton_Project yearOfConstruction "1944".
- Dayton_Project added "2006-05-10".
- Dayton_Project built "1944".
- Dayton_Project caption "Buildings at Unit III, seen in 2012".
- Dayton_Project governingBody "Dayton Board of Education".
- Dayton_Project hasPhotoCollection Dayton_Project.
- Dayton_Project latDegrees "39".
- Dayton_Project latDirection "N".
- Dayton_Project latMinutes "43".
- Dayton_Project latSeconds "29".
- Dayton_Project location Dayton,_Ohio.
- Dayton_Project locmapin "Ohio".
- Dayton_Project longDegrees "84".
- Dayton_Project longDirection "W".
- Dayton_Project longMinutes "10".
- Dayton_Project longSeconds "46".
- Dayton_Project name "Unit III, Dayton Project".
- Dayton_Project refnum "6000480".
- Dayton_Project subject Category:History_of_Dayton,_Ohio.
- Dayton_Project subject Category:Manhattan_Project.
- Dayton_Project point "39.72472222222222 -84.17944444444444".
- Dayton_Project type ArchitecturalStructure.
- Dayton_Project type Building.
- Dayton_Project type Place.
- Dayton_Project type Wikidata:Q532.
- Dayton_Project type Place.
- Dayton_Project type Location.
- Dayton_Project type _Feature.
- Dayton_Project comment "The Dayton Project was a research and development project that was part of the larger Manhattan Project to build the first atomic bombs. Work took place at several sites in and around Dayton, Ohio. Those working on the project were ultimately responsible for creating the polonium-based modulated neutron initiators which were used to begin the chain reactions in the atomic bombs.".
- Dayton_Project label "Dayton Project".
- Dayton_Project sameAs m.02r1m9v.
- Dayton_Project sameAs Q5243565.
- Dayton_Project sameAs Q5243565.
- Dayton_Project lat "39.72472222222222".
- Dayton_Project long "-84.17944444444444".
- Dayton_Project wasDerivedFrom Dayton_Project?oldid=605157164.
- Dayton_Project depiction Dayton_Project,_Unit_III,_buildings_4-6.jpg.
- Dayton_Project isPrimaryTopicOf Dayton_Project.
- Dayton_Project name "Unit III, Dayton Project".
