this post was submitted on 26 Jun 2023
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Explain Like I'm Five | Don't Panic!

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Eli5 What do we not observe people talking out of sync? (lemmit.online)
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The original was posted on /r/explainlikeimfive by /u/Wallaby989 on 2023-06-26 00:13:02+00:00.

Light travels faster than sound. So we see someone's lips moving before we hear their sound. Yet it looks in sync. Is this a trick of the brain, or is the distance so short we can't notice it?

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