Acronym it. This has become such a problem that it is even evaluated at the level of medical academies such as the American Academy of Dermatology. Acronyms are often taught as mnemonic devices, for example in physics the colors of the visible spectrum are said to be "ROY G. BIV" ("red-orange-yellow-green-blue-indigo-violet"). They are also used as mental checklists, for example in aviation: "GUMPS", which is "Gas-Undercarriage-Mixture-Propeller-Seatbelts". Other examples of mnemonic acronyms are "CAN SLIM", and "PAVPANIC" as well as "PEMDAS". It is not uncommon for acronyms to be cited in a kind of false etymology, called a "folk etymology", for a
Newlyn the church by the Rev. W. L. Lach-Szyrma. In the 1880s a number of artists moved to the town and formed an artists' colony. The painters of Newlyn came to be known as the Newlyn School. In 1896 Newlyn was the scene of the Newlyn riots following protests over the landing of fish on a Sunday by fishermen from the North of England, the local Cornish fishermen being members of the Methodist church and as such strong supporters of sabbatarianism. In 1915, the Ordnance Survey tidal observatory was established in the harbour and for the next six years measurements of