A strange discovery by quantum physicists at the University of California [at] Santa Barbara means that an object you can see in front of you may exist simultaneously in a parallel universe" -- a multi-state condition that has scientists theorizing that traveling through time may be much more than just the plaything of science fiction writers. And it's all because of a tiny bit of metal -- a "paddle" about the width of a human hair, an item that is incredibly small but still something you can see with the naked eye. UC Santa Barbara's Andrew Cleland cooled that paddle in a refrigerator, dimmed the lights and, under a special bell jar, sucked out all the air to eliminate vibrations. He then plucked it like a tuning fork and noted that it moved and stood still at the same time. That sounds contradictory, ... but it actually happened. It's a freaky fact that's at the heart of quantum mechanics. Sean Carroll, a physicist at the California Institute of Technology ... accepts the scientific basis for the multi-verse -- even if it cannot be proven. "Unless you can imagine some super-advanced alien civilization that has figured this out, we aren't affected by the possible existence of other universes," Carroll said. But he does think "someone could devise a machine that lets one universe communicate with another."

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