Safety cut rope axe man In the first nuclear reactor, constructed by Enrico Fermi in 1942 under the bleachers of the University of Chicago football stadium, the control rods were held up by a manila rope. A man with an axe was told to cut the rope if the reactor got out of hand. This "safety cut rope axe man" is supposedly the origin of the term SCRAM for an emergency shutdown procedure. Brian Hayes, Infrastructure: A Guide to the Industrial Landscape wordsacronymsenergy
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125 Best Architecture Books Essential Reads Guides Architects, Firms, and Movements Novels History Theory Cities & Urbanism A Pattern LanguageThe Eyes of the Skin: Architecture and the SensesThe Image of the CityIn Praise of ShadowsThe Poetics of SpaceSeven lampsCities for PeopleInvisible CitiesBLDGBLOGThe Death and Life of Great American CitiesLife Between BuildingsSoft City