Figure 4.
Contagious Diffusion in a Plain Space, for t = 34, 52, 65, 73, 78, 87.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.