No, this is not a global warming video.
Sometimes you can have the most fun with some of the simplest household items. While we hope you have something better to do, there's no reason not to let your camera sit around and watch water molecules slowly spread apart.
In any case, a little clever video editing makes this a pretty fun one, without any elaborate set, or stunning scenery. Sometimes the simplest things are the coolest.
Aren't time-lapses just swell?