this post was submitted on 15 Nov 2024
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Science Memes

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[Thread] Mental Math (mander.xyz)
submitted 1 month ago by [email protected] to c/[email protected]
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[–] [email protected] 10 points 1 month ago (1 children)

The burr is also detectable lengthwise. When starting with a dull blade it feels smooth while sliding fingers lenghtwise. When the burr is formed, it starts to feel rough. When it feels like it's digging into skin, it's sharp. It's a very subjective thing though, everybody has different fingers.

[–] Zron 4 points 1 month ago (1 children)

Is way better to draw your finger perpendicular to the edge to feel the burr. That way you don’t cut yourself on the edge or the burr itself.

[–] [email protected] 1 points 1 month ago

This is how I was taught as a kid.