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You've probably been taught your whole life that the speed of light is a constant. And that's not wrong, after all, that's what our experiments show. But what if I told you that there is a symmetry that can be broken once we improve our physics and reach quantum gravity? LEARN SOMETHING NEW AT ALURA TODAY! http://alura.com.br/cienciatododia MY T-SHIRTS: http://useloos.com.br Become a member of our channel to help keep the videos up! http://youtube.com/cienciatododia/join Discuss this video on our Discord! / discord My social networks: / pedroloos / pedroloos Our podcast: http://anchor.fm/sinapse E-mail: [email protected]