This is a detailed explanation of Slydini's Newspaper Tear by his student Dennis Barlotta. You will download an almost half-hour-long instructional video. Additionally, you will be able to download a PDF that describes how to make the paper and the order of the tears.
The effect is straightforward. You show a double sheet of newspaper. You tear it several times into a pack of small pieces. Then it suddenly restores to a full sheet right in front of your eyes.