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If and when a "fail-safe" system fails, it remains at least as safe as it was before the failure. [1] [2] Since many types of failure are possible, failure mode and effects analysis is used to examine failure situations and recommend safety design and procedures. [3] Some systems can never be made fail-safe, as continuous availability is needed.
Foolproof is a synonym for idiot-proof, an assurance, meaning a device that can't be damaged by improper use, and may refer to: Foolproof, a 2003 Canadian heist film "Foolproof", a 1996 song by Canadian country music group Desert Dolphins "Foolproof", a 2021 song by Hayden James, Gorgon City and Nat Dunn; FoolProof, a financial education initiative
Poka-yoke was originally baka-yoke, but as this means "fool-proofing" (or "idiot-proofing") the name was changed to the milder poka-yoke. [4] Poka-yoke is derived from poka o yokeru (ポカを避ける), a term in shogi that means avoiding an unthinkably bad move.
Persuasive definition – purporting to use the "true" or "commonly accepted" meaning of a term while, in reality, using an uncommon or altered definition. (cf. the if-by-whiskey fallacy) Ecological fallacy – inferring about the nature of an entity based solely upon aggregate statistics collected for the group to which that entity belongs. [27]
The term "idiot-proof" became popular in the 1970s. [2] It may have been invented as a stronger-sounding version of foolproof, as the force of foolproof had declined due to frequent usage. Perhaps for the same reason, "foolproof" is now a formal term, whereas "idiot-proof" remains informal.
Dimensional analysis may be used as a sanity check of physical equations: the two sides of any equation must be commensurable or have the same dimensions. A person who has calculated the power output of a car to be 700 kJ may have omitted a factor, since the unit joules is a measure of energy, not power (energy per unit time).
In a similar vein, an industrial or domestic burner controller can fail, but must fail in a safe mode (i.e. turn combustion off when they detect faults). Famously, nuclear weapon systems that launch-on-command are fail-safe, because if the communications systems fail, launch cannot be commanded. Railway signaling is designed to be fail-safe.
A false accusation is a claim or allegation of wrongdoing that is untrue and/or otherwise unsupported by facts. [1] False accusations are also known as groundless accusations, unfounded accusations, false allegations, false claims or unsubstantiated allegations.