For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only a sliver of reality. Extra dimensions, if they exist, would not just be a ...

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A new underground facility called DUNE, which will accelerate particles for 800 miles between Illinois and South Dakota, could reveal the hidden dimensions of the universe, new research suggests. When ...

In 1919, physicist Theodor Kaluza hypothesized that extra dimensions might solve some outstanding problems in physics. And while we haven't found any evidence yet for anything outside our normal ...