A not-so-random walk through random walks
Though I’ve been interested of late with the idea of random walks, I was introduced to the concept when, more than two decades ago, I stumbled across Conway’s Game of Life, the cellular automaton built by John Conway in 1970. A cellular automaton is a grid of cells in which each cell has a value depending on the values of its neighbours. The automaton simulates the evolution of the grid as the cells’ values change dynamically. Langton’s ant was a…