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We can only focus our eyes on one thing at a time, and we see everything else twice
(self.showerthoughts)
A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The best ones are thoughts that many people can relate to and they find something funny or interesting in regular stuff.
And because the light gets passed through a pinhole (the pupil) before hitting the back of our eyes, we actually see everything upside-down