Einstein's Relativity Theory 'Holding Up' After 100 Years, But Facing 'Competing Theories,' Duke Professor Says

This Thursday, June 30, marks the centennial of Albert Einstein’s first paper on the theory of relativity.
Over the last 100 years, relativity has been vindicated in numerous experiments and technological applications, said a Duke University astrophysicist and mathematician. But it has barely affected the way most people understand the universe and is still being challenged by some scientists.

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