Let’s say for example you have 3 objects
Broken piece of glass
That random kitchen knife that somehow is still able to cut
And a razor blade
I’ve been cut by all three of these objects in different places (except for the knife I’ve only cut my fingers on the knife)
And I’ve noticed that for the knife I felt the pain as soon as it started cutting
But with the razor blade and the piece of glass I didn’t even know I had gotten cut most of the time
And With the glass I didn’t get small nicks and cuts like I had somehow managed to get a 1” deep cut that ran all the way down the sole of my foot and didn’t notice until 1 I stepped into something that irritated the cut and 2 noticed that the ground felt slippery / wet
In: Biology
A sharper knife cuts more cleanly, causing less tearing of the skin compared to a dull or serrated knife. That tearing causes more nerve endings to be affected, and more pain to be felt.
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