…or why one-dimensional two-way cellular automata operating in linear time are likely more powerful than their real-time counterparts.
The evacuation platform creaks in the waves — a long, narrow beam with a line of shipwreck survivors standing shoulder-to-shoulder, all facing the distant lights of the rescue ship.
Each survivor sees everyone ahead, but the chaos behind them is a mystery.
Over the roar of the storm, a rescue helicopter swoops in from behind.
To lift the platform without capsizing it, the hoist rope must be attached to the one survivor standing exactly in the middle.
Attach it anywhere else, and the whole platform will flip like a seesaw.