When a group of physicists who called themselves "Opera" announced in September that a group of subatomic particles called neutrinos had traveled faster than the speed of light, many physicists assumed something had gone wrong with the experiment, since it violated one of the cardinal laws of physics: Albert Einstein’s theory of relativity.

Now another team of physicists, calling themselves "Icarus," reported that they have repeated the experiment and found that they raced along at the speed of light and not a bit faster.
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