The SciencesComputer Recreations, August 1987Word ladders and a tower of Babel lead to computational heights defying assaultBy A. K. Dewdney on August 1, 1987AdvertisementABOUT THE AUTHOR(S)Recent Articles by A. K. DewdneyDIY Fractals: Exploring the Mandelbrot Set on a Personal ComputerPhotovoresTuring Test