5 ms·

Why do you think it would not be possible?

• smallerize 10mo ago
  To make a new cell "live" it must be neighbored by three live cells. And in 2d, a cell only has two neighbors.
  • metalliqaz 10mo ago
    s/2d/1d/ right?
    • smallerize 10mo ago
      Oh, right.
  • pohl 10mo ago
    I see what you're saying, but I think it's a misunderstanding. 1D here only means that there's some state where the active cells are confined to one row — but one row within the ordinary 2D GoL plane. I'm sure the next iteration leaps off the line immediately. Search for "Blinker" here to imagine how it could start spreading off the line. https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life https://en.wikipedia.org/wiki/Conway%27s_Game_of_Life
    • IAmBroom 10mo ago
      The GP understood that.
    • smallerize 10mo ago
      Right, but that's not what adzm was asking about.
  • paulmooreparks 10mo ago
    A 1d row of cells also affects nearby cells above and below the line. Consider a row of three cells: https://parkscomputing.com/page/conways-game-of-life?boardSize=7&cellSize=20&speed=16.666666666666668&init=2,3;3,3;4,3 https://parkscomputing.com/page/conways-game-of-life?boardSi...; That produces a spinner, because the empty cells above and below the 1d row have three live cells nearby.
    • smallerize 10mo ago
      Yes, which is not what adzm asked for.
      • darig 10mo ago
        [dead]