nail clipper is another example of how ordinary objects often contain surprisingly thoughtful designs.
A Quick Way to Examine Your Own Nail Clipper
If you’re curious, take your nail clipper and look closely.
Find the small hole.
Then move the lever up and down.
Watch how the parts around it move.
You’ll notice that the lever isn’t simply sitting on top of the clipper.
It’s attached to a mechanical system that allows it to rotate around a fixed point.
The next time you use the tool, pay attention to how
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