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
If a book can be summarized, is it worth reading? An Article by Austin Kleon austinkleon.com It is my opinion that if a book’s contents can be adequately “summed up,” so that you really don’t miss anything by reading the summary, it is not actually a book worth reading. (Of course, there’s no way to tell whether a summary is adequate or not unless you have also read the book.) Also, I suspect that the harder you find it to summarize a book you have read, the more valuable it might be. On 'The Master and His Emissary' reading