vertical curve
51Catenary — This article is about the mathematical curve. For other uses, see Catenary (disambiguation). Chainette redirects here. For the wine grape also known as Chainette, see Cinsaut. A hanging chain forms a catenary …
52Parabola — For other uses, see Parabola (disambiguation). A parabola …
53IS/LM model — The IS curve moves to the right, causing higher interest rates (i) and expansion in the real economy (real GDP, or Y). The IS/LM model (Investment Saving/Liquidity preference Money supply) is a macroeconomic tool that demonstrates the… …
54Eastern span replacement of the San Francisco — San Francisco – Oakland Bay Bridge (eastern span replacement) Artistic rendition of the new eastern span of the Bay Bridge seen from Treasure Island (ca. 2014) Official name To be determ …
55river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
56Cue sports techniques — Illustration from Michael Phelan s 1859 book, The Game of Billiards Cue sports techniques (usually more specific, e.g., billiards techniques, snooker techniques) are an immensely important aspect of game play in the various cue sports such as… …
57Roller coaster elements — Contents 1 Basic elements 1.1 Brake run 1.2 Buzz bars 1.3 …
58Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
59cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
60fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …
