Shabba Ranks shed light on an area enduring very high cat density. As said in their post, cat density's characteristics resemble that of mass density (how much mass there is spread throughout an amount of space) and charge density (how much charge is spread throughout an amount of space), but it deals with cats. Doesn't it seem like cat videos and physics go hand in hand?
Here is a link to the video:
P.S. I take it that "cat enthusist" is the politically correct term for "crazy cat lady"