rectangular component
81Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …
82Measurement uncertainty — In metrology, measurement uncertainty is a non negative parameter characterizing the dispersion of the values attributed to a measured quantity. The uncertainty has a probabilistic basis and reflects incomplete knowledge of the quantity. All… …
83hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …
84SCART — Infobox connector name=SCART type=Analogue audio and video connector caption=A male SCART connector (21 pin) designer=CENELEC design date=1970s manufacturer= production date= superseded=RCA, DIN (in Europe) superseded by= length= width= height=… …
85Curvilinear coordinates — Curvilinear, affine, and Cartesian coordinates in two dimensional space Curvilinear coordinates are a coordinate system for Euclidean space in which the coordinate lines may be curved. These coordinates may be derived from a set of Cartesian… …
86Dalek variants — …
87Chinese coins — Ancient Chinese coins were produced continuously for around 2,500 years by casting in moulds, rather than being struck with dies as with most western coins.Collectors can obtain affordable yet old, beautiful, and interesting coins associated with …
88Ancient Chinese coinage — Ancient Chinese coins Chinese coins were produced continuously for around 2,500 years by casting in moulds, rather than being struck with dies as with most western coins. Contents 1 …
89Metamaterial cloaking — Electromagnetism Electricity · …
90Eastern 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 …
