Alert Reader Jason strikes again! About a week ago, the L.A. Times covered the following story.
It turns out to be less miraculous than it might seem. What you have here is the electrochemical generation of dilute bleach and dilute hydrochloric acid. This is a process that has been done industrially for a century, and now you can do it at home. Or you could just buy a bottle of bleach and a bottle of vinegar.