This is an abrasive disk, rotating at 1500 rpm. When I shine my flashlight at it, it carries the glow with it, approximately halfway around the disk. What am I seeing happen here?

    • Wogi@lemmy.worldOP
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      10 months ago

      Fun fact, machinists do not have friends. Only mortal and natural enemies.

          • Troy
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            10 months ago

            Is there a machining community active somewhere on lemmy (yet)? I only dabble, but I like to sneak peaks at real folks fucking up, err, showing off their projects.