Like I get that we obviously have ears on both sides of our head, but I would think that something that is directly ahead of us we should be unable to hear, since that object is basically perpendicular to our ears, but of course we can hear it absolutely fine. Why is that?
In: Biology
Visible light has to reach the back of our eyes for us to see it. The only way to do that is pass through our pupil.
Sound can pass through our ears (for the clearest sounds) or it can penetrate our skulls and still produce a much less clear sound. (Like, when you plug your ears and whisper you can still hear yourself distinctly but not as clearly.)
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