in the special December holiday donation poll
Oops... Looks like you're on mobile or flash is not enabled
We're trying to get some mobile games up and
running, but unfortunately our flash games
don't work on phone or tablet. How about
some hilarious science jokes instead?
Planarity is quite the brain teaser. Given a collection (called a graph in math lingo) of blue dots (called vertices) connected by lines (called edges), you must reorganize the dots so that no two lines intersect. Sound easy? Think again.