Hey there! Are you attentive enough? I'm sure you're surrounded by dozens of things with cool details you have no idea the purpose of. Ridges on the coins you use for payments or cylinders on the charging cables, and the tiny dots on your iPhone camera - all of these things have a lot of secret details.

Do you have a round plunger in your bathroom? I bet you use it to eliminate a blockage in your toilet. But I'm gonna break the news to you: it's meant to eliminate a blockage in another place... I'm gonna tell you all about it!

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