Scientists tried to break Einstein’s speed of light rule
SMRTR summary
Scientists tested Einstein's speed of light rule by analyzing gamma rays from distant cosmic sources, searching for evidence that light speed might vary slightly with photon energy as predicted by some quantum gravity theories. Using advanced statistical techniques to examine very-high-energy gamma rays, researchers found no violations of Einstein's principles, but their results improved previous experimental limits by ten times, helping narrow where new physics beyond current theories might exist.
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