Software Sludge

There are dictionary definitions of the term sludge, but the introduction on its Wikipedia page is particularly (even entertainingly) descriptive. It is a great place to begin. Sludge (possibly from Middle English slutch ‘mud, mire’, or some dialect related to slush) is a semi-solid slurry that can be produced from a range of industrial processes, from water treatment, wastewater treatment or on-site sanitation systems. It can be produced as a settled suspension obtained from conventional drinking water treatment, as sewage sludge from wastewater treatment processes or as fecal sludge from pit latrines and septic tanks. The term is also sometimes used as a generic term for solids separated from suspension in a liquid; this soupy material usually contains significant quantities of interstitial water (between the solid particles). Sludge can consist of a variety of particles, such as animal manure. Wikipedia page on Sludge, retrieved September 19, 2026. The description is a lot about…

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