Waves spreading from pacemakers
Pulses of activator start at two pacemaker sites and spread outwards. In real excitable media (BZ reaction, Dictyostelium) diffusion plus autocatalysis turns such pulses into self-propagating target patterns.
Pulses of activator start at two pacemaker sites and spread outwards. In real excitable media (BZ reaction, Dictyostelium) diffusion plus autocatalysis turns such pulses into self-propagating target patterns.