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optical sensing

(Encyclopedia)optical sensing, in general, any method by which information that occurs as variations in the intensity, or some other property, of light is translated into an electric signal. This is usually accompl...

Hoorn

(Encyclopedia)Hoorn, city, North Holland prov., N central Netherlands, on an inlet of the Markermeer. It is a commercial and processing center for a vegetable-growing...

Islington

(Encyclopedia)Islington ĭzˈlĭngtən [key], inner borough of Greater London, SE England. Islington, in the ...

Dyck, Christopher van

(Encyclopedia)Dyck, Christopher van vän dīkˈ [key], 1601–c.1672, German designer and maker of printing type, who worked in Amsterdam. Types that he designed were used by the Elzevir firm. His roman typeface wa...

Annecy

(Encyclopedia)Annecy änsēˈ [key], town, capital of Haute-Savoie dept., SE France, in Savoy in the N Alps, on beautiful Lake Annecy. A popular tourist resort, it also has printing pla...

Subiaco

(Encyclopedia)Subiaco so͞obyäˈkō [key], town (1991 pop. 9,004), Latium, central Italy, in the Apennines, at the confluence of the Aniene and the Acquaviva rivers. It is an agricultural, industrial, and tourist ...

Sparks

(Encyclopedia)Sparks, city (1990 pop. 53,367), Washoe co., W Nev., just E of Reno; inc. 1905. The Southern Pacific RR was the major employer until the dieselization of railroad engines forced the closing (1957) of ...

New Iberia

(Encyclopedia)New Iberia, city (1990 pop. 31,828), seat of Iberia parish, S La., on Bayou Teche, which is connected to the Intracoastal Waterway by a canal; inc. 1836. It has printing and publishing, and its manufa...

North Little Rock

(Encyclopedia)North Little Rock, city (1990 pop. 61,741), Pulaski co., central Ark., on the Arkansas River opposite Little Rock; settled c.1856, inc. as a city 1903. North Little Rock lies in a cotton, rice, soybea...

Laon

(Encyclopedia)Laon läN [key], commercial town (1990 pop. 28,670), capital of Aisne dept., N France. It has forges, a printing plant, and factories that make heating equipment and metal goods. Situated on a rocky h...