Does Instructables have a policy or consensus on plagiarism?
Build Levitation Device. published by ermak777 on 12 Feb 2008.
Build Levitation Device. published by kinofanat on 14 May 2008.
The duplication is quite astonishing, right down to the typos in the description of the video. I've flagged the later edition as "Inappropriate", to help staff find it.