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Salinger, J. D.

(Encyclopedia)Salinger, J. D. (Jerome David Salinger) sălˈĭnjər [key], 1919–2010, American novelist and short-story writer, b. New York City. His considerable literary stature rests on a small but extremely i...

3D printer

(Encyclopedia)3D printer, computerized device that produces a three-dimensional object by creating it as a series of thin layers. The object is created from a model stored in computer-aided design file; the model i...

Toledo , city, United States

(Encyclopedia)Toledo təlēˈdō [key], city (1990 pop. 332,943), seat of Lucas co., NW Ohio, on the Maumee River at its junction with Lake Erie; inc. 1837. With a natural harbor and its railroads and highways, Tol...

resin

(Encyclopedia)resin, any of a class of amorphous solids or semisolids. Resins are found in nature and are chiefly of vegetable origin. They are typically light yellow to dark brown in color; tasteless; odorless or ...

Geiger counter

(Encyclopedia)Geiger counter or Geiger-Müller (G-M) counter gīˈgər-mŭlˈər, –myo͞oˈlər [key], instrument for the detection and quantitative determination of ionizing radiation such as the alpha and beta ...

diffraction

(Encyclopedia)diffraction, bending of waves around the edge of an obstacle. When light strikes an opaque body, for instance, a shadow forms on the side of the body that is shielded from the light source. Ordinarily...

feldspar

(Encyclopedia)feldspar fĕlˈspär [key], an abundant group of rock-forming minerals which constitute 60% of the earth's crust. Chemically the feldspars are silicates of aluminum, containing sodium, potassium, iron...

Galveston

(Encyclopedia)Galveston gălˈvəstən [key], city (2020 pop. 50,546), seat of Galveston co., on Galveston ...

Hirst, Damien Steven

(Encyclopedia)Hirst, Damien Steven, 1965–, British artist-provacateur, b. Bristol. While at Goldsmiths College, London (grad. 1988), he organized the exhibition Freeze, whose participants, led by Hirst, became kn...

Kahn, Louis Isadore

(Encyclopedia)Kahn, Louis Isadore , kän [key], 1901–74, American architect, b. Estonia. He and his family moved to Philadelphia in 1905, and he later studied at the Univ. of Pennsylvania. From the 1920s through ...