article_snippet: Just as many parallel sheets of paper, which are two dimensional objects (breath and length) can exist in a third dimension (height), parallel universes can also exist in higher dimensions' Mir Faizal from the University of Waterloo told Dailymail.com. '
article_snippet: Parallel universes can exist within these dimensions, the thinking goes, but only gravity can leave our universe into these extra dimensions.
article_snippet: One, extra dimensions do not exist.
article_snippet: Two, they exist, but they are smaller than expected.
article_snippet: Professor Maldacena's model suggests that the universe exists in nine dimensions of space, and one of time.