Extra dimensions, if they exist, would not just be a science‑fiction flourish but a structural feature of the cosmos that could help explain gravity, quantum mechanics and even why the universe looks ...

For more than a century, physicists have suspected that the familiar three dimensions of space might be only a small slice of reality. The idea that the universe could be hiding several additional ...

In one of the most memorable interviews of my career thus far, I was at my desk, head in my hands, talking on the phone to a physicist about extra dimensions. I was trying to understand what it means ...

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