Talk:Iron Waterproof Pipe/@comment-5444559-20120903204447

I dont see how the following part text:

Iron pipes can also be used as an extremely handy alternative to obsidian pipes for dealing with overflow. Place two iron pipes in a row, both pointing the same direction, and put the second one so it flows directly into a machine, such as a furnace. This way, when the furnace has, say, copper ore inside, but another ore comes through the pipe, it won't get "popped" out of the pipe and sit there to be picked up by you or despawn. Instead, it will turn around in the second iron pipe and head backwards into the first iron pipe... which will then send it forward again, repeating over and over until the furnace has finished with the copper ore and allows a new ore inside. A limit to how many blocks can be held in suspension like this has not yet been found.

are talking about waterproof pipes, I never saw copper flowing throug a pipe like a liquid, or is this an easter egg or something?