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 An impossible cube is usually rendered as a Necker cube in which the line segments representing the edges have been replaced by what are apparently solid beams.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
Icon (Ice Cube album) Icon (Ice Cube album) Icon is a Compilation album by American hip hop artist, Ice Cube. Consisting of songs from previous albums such as AmeriKKKa's Most Wanted, The Predator (Ice Cube album), War & Peace Vol. 1 (The War Disc), War & Peace Vol. 2 (The Peace Disc), Lethal Injection (album), and Death Certificate (album), it contains classic hits including It Was a Good Day, Steady Mobbin', and Check Yo Self. The collection, which includes 11 songs, is essentially a repackaged version of Ice Cube's 10 Great Songs album with the addition of "What Can I Do"? Released in 2013,