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[Thread] Mental Math (mander.xyz)
submitted 1 month ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] Geometrinen_Gepardi@sopuli.xyz 11 points 1 month ago

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@lemmy.world 4 points 1 month ago

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.

[-] prole@lemmy.blahaj.zone 1 points 1 month ago

This is how I was taught as a kid.

this post was submitted on 15 Nov 2024
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