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Water pouring puzzle. Starting state of the standard puzzle; a jug filled with 8 units of water, and two empty jugs of sizes 5 and 3. The solver must pour the water so that the first and second jugs both contain 4 units, and the third is empty. Water pouring puzzles (also called water jug problems, decanting problems, [1] [2] measuring puzzles ...
An example water jar puzzle. The water jar test, first described in Abraham S. Luchins' 1942 classic experiment, [1] is a commonly cited example of an Einstellung situation. . The experiment's participants were given the following problem: there are 3 water jars, each with the capacity to hold a different, fixed amount of water; the subject must figure out how to measure a certain amount of ...
The earliest example in England is the Exeter puzzle jug—an example of medieval pottery in Britain. The Exeter puzzle jug dates from about AD 1300 and was originally made in Saintonge, Western France. [1] The puzzle jug is a descendant of earlier drinking puzzles, such as the fuddling cup and the pot crown, each of which has a different ...
Jug. A jug is a type of container commonly used to hold liquids. It has an opening, sometimes narrow, from which to pour or drink, and has a handle, and often a pouring lip. Jugs throughout history have been made of metal, ceramic, or glass, and plastic is now common. In British English, jugs are pouring vessels for holding drinkable liquids ...
Fuddling cup. A fuddling cup is a three-dimensional puzzle in the form of a drinking vessel, made of three or more cups or jugs with interconnecting bodies all linked together by holes and tubes in which liquor poured into one cup would disappear in one cup and reappear in another cup. [1] The name “ fuddling ” in this cup has two meanings ...
Paradox of value. Water is a commodity that is essential to life. In the paradox of value, it is a contradiction that it is cheaper than diamonds, despite diamonds not having such an importance to life. The paradox of value (also known as the diamond–water paradox) is the contradiction that, although water is on the whole more useful, in ...
Two views of the utility graph, also known as the Thomsen graph or. The classical mathematical puzzle known as the three utilities problem or sometimes water, gas and electricity asks for non-crossing connections to be drawn between three houses and three utility companies in the plane. When posing it in the early 20th century, Henry Dudeney ...
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