of sound in a Newtonian fluid, such as water or air, due to the fluid's viscosity. Streisand effect: Any attempt to hide, remove, or censor a piece of information has the unintended consequence of publicizing the information more widely. Sturgeon's law: "Ninety percent of everything is crud." Derived from a quote by science fiction author Theodore Sturgeon (1918–1985). Sutton's law: "Go where the money is." Often cited in medical schools to teach new doctors to spend resources where they are most likely to pay off. The law is named after bank robber Willie Sutton, who when asked why he robbed banks, is claimed to have answered "Because that's where the money is." Swanson's law: solar cell prices fall 20% for every doubling of solar cell industry manufacturing capacity. The law is named after SunPower Corporation founder Richard Swanson. Szemerényi's law, in Proto-Indo-European phonology: word-final clusters of vowels (V), resonants (R) and either *s or *h are simplified by dropping the word-final fricative (*h was phonetically itself probably a back fricative), with compensatory lengthening of the preceding vowel. Named for Hungarian linguist Oswald Szemerényi. T–Z Teeter's law: "The language of the family you know best always turns out to be the most archaic." A wry observation about the biases of historical linguists, explaining how different investigators can arrive at radically divergent conceptions of the proto-language of a family. Named after the American linguist Karl V. Teeter. Tesler's law of conservation of complexity states that every application has an inherent amount of complexity that cannot be removed or hidden. Named for Larry Tesler. Thirlwall's law: under certain conditions, the long run growth of a country can be approximated by the ratio of the growth of exports to the income elasticity of demand for imports. Titius–Bode law: "a hypothesis that the bodies in some orbital systems, including the Sun's, orbit at semi-major axes in a function of planetary sequence". Named for Johann Daniel Titius and Johann Elert Bode. Tobler's first law of geography: "Everything is related to everything else, but near things are more related than distant things." Coined by Waldo R. Tobler (b. 1930). Triffin dilemma, conflict of economic interests that arises between short-term domestic and long-term international objectives for countries whose currency serves as a global reserve currency; named for Belgian American economist Robert Triffin Tullock Paradox: a rent-seeker wanting political favors can bribe politicians at a cost much lower than