In the art world, it is fostered by an incessant rain of numbers in the media whenever an art star comes to its attention. Graffiti Artists Turn on Banksy: The Rise of Art Hate Anthony Haden-Guest August 6, 2014
For the music genre, see Sludge metal. Sludge. Sludge is a semi-solid slurry and can be produced as sewage sludge from wastewater treatment processes or as a settled suspension obtained from conventional drinking water treatment and numerous other industrial processes.
No, it's not a lost container of Nickelodeon-branded Slime. The green sludge is a ribbon worm (also called Nemertea). The Independent reports the video originates from a man in Taiwan, when the animal was spotted [by uploader Wei Cheng Jian] while he was fishing in a port, and uploaded to Facebook..