Editing 1474: Screws
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| Uranium screw | | Uranium screw | ||
β | | Uranium screws were [http://blog.nuclearsecrecy.com/2014/11/10/fat-mans-uranium/ used] in the [http://www.scintillators.ru/booc/criticality/reports/ref_050.pdf construction] of [http://www.osti.gov/scitech/servlets/purl/769001 nuclear weapons] during the twentieth century. Multiple radially extending short wave-like lines around the screw head symbolize radiant energy output, although real uranium screws were most likely made of | + | | Uranium screws were [http://blog.nuclearsecrecy.com/2014/11/10/fat-mans-uranium/ used] in the [http://www.scintillators.ru/booc/criticality/reports/ref_050.pdf construction] of [http://www.osti.gov/scitech/servlets/purl/769001 nuclear weapons] during the twentieth century. Multiple radially extending short wave-like lines around the screw head symbolize radiant energy output, although real uranium screws were most likely made of {{w|depleted uranium}}, which is [http://www.gulflink.osd.mil/du_ii/du_ii_tabc.htm 40 percent less radioactive] than naturally-occurring raw {{w|uranium}}. |
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| Phillip's head | | Phillip's head |