vertical bend
51optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
52Palm Beach County Fire-Rescue — Motto:  When seconds count, count on us Established 1984 Staffing Combination Career/Volunteer …
53Eastern 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 …
54Piledriver (professional wrestling) — A piledriver is a professional wrestling driver move in which the wrestler grabs his opponent, turns him upside down, and drops into a sitting or kneeling position, driving the opponent s head into the mat.The most common piledrivers are the… …
55Three-drum boilers — Three drum boiler, casing removed …
56Photoconductive atomic force microscopy — (pc AFM) is a scientific technique.. Multi layer photovoltaic cells have gained popularity since mid 1980s.[1] At the time, research was primarily focused on single layer photovoltaic (PV) devices between two electrodes, in which PV properties… …
57Indiana — This article is about the U.S. state of Indiana. For other uses, see Indiana (disambiguation). Hoosier State redirects here. For the passenger train, see Hoosier State (train). State of Indiana …
58Mirage — This article is about the optical phenomenon. For other meanings of Mirage, see Mirage (disambiguation). Various kinds of mirages in one location taken over the course of six minutes, not shown in temporal order. The uppermost inset frame shows… …
59Horse markings — These young horses, though all the same color, exhibit uniquely different markings, which can be used to identify individual horses …
60Armónica — Tesitura Para una armónica cromática de 16 agujeros, desde el Do (C) bajo de la octava central, hasta el Re por encima del Do5, algo más de 4 octavas …
