heavyweight spaceship

English

Noun

heavyweight spaceship (plural heavyweight spaceships)

  1. (cellular automata) A particular orthogonal spaceship in Conway's Game of Life, and the third smallest such example.
    Coordinate terms: lightweight spaceship, middleweight spaceship, oblique spaceship
    • 1992 August 13, David Bell, “Spaceships in Conway's Life (Part 1)”, in comp.theory.cell-automata‎[1] (Usenet):
      To begin with and to be complete, I will list the original spaceships. These are the glider, the lightweight spaceship (LWSS), middleweight spaceship (MWSS), and the heavyweight spaceship (HWSS). These were all found very soon after Life was invented by Conway.
    • 2008 May 31, Dave Greene, “Life: B37/S23 - A Chaotic Universe.”, in comp.theory.cell-automata‎[2] (Usenet):
      The usual non-glider suspects from Conway's Life (lightweight, middleweight, and heavyweight spaceships) all fail here due to central 7-neighbor OFF cells.
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