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
To enact visually the message The inscription is itself a perceptual component within the space of the garden insofar as it becomes a pattern of sameness and difference. Paired identical terms are interspersed between paired different terms. This movement between repetition and difference seems, at least in part, to be intended to enact visually the message of the inscription itself. Matthew Simms, Robert Irwin: A Conditional Art Ever Present, Ever ChangingSelf-publishing, self-exemplifying