FOUR COLOR THEOREM

Explore the proof that any map can be colored with a maximum of four different colors, without regions of the same color touching each other. You will also learn more about graph theory and perhaps explore Apollonian networks.

FACTS ON FILE - Science Online database

Science Online (Infobase) This link opens in a new window
Presents a broad range of scientific disciplines through extensive essays, videos, diagrams, definitions, biographies, and experiments.