I doubt anyone out there needs persuading, but just in case:
Only lasting a few short minutes, the moon will plunge the Earth into the darkness of its shadow as it passes in front of the sun. This short film by Wylie Overstreet and Alex Gorosh explains what happens during a total solar eclipse and why you won't want to miss it.
Attribution(s): All video and stills are the property of Wylie Overstreet, Alex Gorosh, and National Geoographic; NASA content -- images, audio, video, and computer files used in the rendition of 3-dimensional models, such as texture maps and polygon data in any format -- generally are not copyrighted and may be used for educational or informational purposes, including photo collections, textbooks, public exhibits, computer graphical simulations and Internet Web pages. This general permission extends to personal Web pages.