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Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

Photoshop CS6 Extended tutorial showing how to transform an ordinary nighttime photo into a dramatic, night-vision image with cross-hairs and a monocular scope effect. Subscribe! subscribe subscribe ...

Abstract: In this paper, a simulation concept is presented for creating synthetic aperture radar (SAR) reflectivity maps based on ray tracing. Three-dimensional models of man-made objects are ...