Have you ever experienced this: after you’ve been using something for many years, you found out that it had some other useful features? Like a tiny detail you never even paid attention to, turned out to have an important meaning and purpose. For example, that dark rectangle at the end of your toothpaste tube. Have you ever noticed one? The markings are there for the assembly machines - this way the machines know where to cut and fold each tube.

From metal plates at the front of your stapler to the little triangles above each window on a plane... Every object surrounding you has a cool detail. There are many overlooked features about the things surrounding you that actually serve a useful purpose. Let's discover the secrets of ordinary things!

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