Impossible cube ambiguity present in a Necker cube illustration, in which a cube is drawn with its edges as line segments, and can be interpreted as being in either of two different three-dimensional orientations. An impossible cube is usually rendered as a Necker cube in which the line segments representing the edges have been replaced by what are apparently solid beams. In Escher's print, the top four joints of the cube, and the upper of the two crossings between its beams, match one of the two interpretations of the Necker cube, while the bottom four joints and the bottom crossing match the
Cube Cove, Alaska Cube Cove, Alaska Cube Cove was an unincorporated community and census-designated place on the northwestern side of Admiralty Island in the Hoonah-Angoon Census Area of the U.S. state of Alaska. The population was 72 at the 2000 United States Census, but it was not included in the 2010 census. What was Cube Cove was located at . According to the United States Census Bureau, the CDP had a total area of , of which is land and , or 2.48%, is water. Cube Cove first appeared on the 1990 U.S. Census as a census-designated place (CDP) and again in 2000.