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Laser probes antimatter to verify relativity

After decades of effort, physicists have probed the inner working of atoms of antihydrogen—the antimatter version of hydrogen—by measuring for the first time a particular wavelength of light that they absorb. The advance opens the way to precisely comparing hydrogen and antihydrogen and, oddly, testing the special theory of relativity—Albert Einstein’s 111-year-old theory of how space and time appear to observers moving relative to one another, which, among other things, says that nothing can move faster than light.

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Deep probe of antimatter puts Einstein?s special relativity to the test | Science | AAAS

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https://www.washingtonpost.com/news/...mepage%2Fstory

Ed

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