my opinion, the lack of comments come from that the site isn't very intuitive for knowing what this is all about. maybe just a clean description or use case scenario is in order.
Explained Visually (EV) is an experiment in making hard ideas intuitive inspired the work of Bret Victor's Explorable Explanations. See http://worrydream.com/ExplorableExplanations/ to learn more about Explorable Explanations.
See "Media for Thinking the Unthinkable" (Bret Victor, 2013) https://vimeo.com/67076984 and videos from https://vimeo.com/worrydream/videos for more context. Also, http://explorableexplanations.com (by Nicky Case) is a.... page that exists.