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 terms which must be altered [Life] frequently sets its problems in terms which must be altered if the problem is to be solved at all. Dorothy Sayers, The Mind of the Maker UnfoldingCo-Evolution of Problem and Solution Spaces in Creative Design life