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
In a state of reverberation Irwin's terms of sudden, physical realization – bam! – call to mind the suddenly enlightening Zen slap or rap on the forehead. It also calls to mind [Philip Guston]'s own remark..."Look at any inspired painting...it's like a gong sounding; it puts you in a state of reverberation." Reverberation is another way of suggesting a kind of sudden, energetic, physical experience. Philip Guston, Robert Irwin: A Conditional Art I have pacified your mindIt's dark outsideScraps of the brocade of autumn zenartunderstanding