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    Experiments with Speed
    Description
    Scientists at CERN work with the world's largest particle accelerator and are asking the question, is time travel not only possible--but inevitable?
    Scientists at CERN work with the world's largest particle accelerator and are asking the question, i... More
    Channel:NatGeo on AOL
    Distributor:National Geographic
    © 1996-2008 National Geographic Society. All rights reserved.
    Tags:Science & Technology, Space, P...More
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