Wogi@lemmy.world to

Ask Science@lemmy.worldEnglish · 9 months ago

Help me understand this effect

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Help me understand this effect

Wogi@lemmy.world to

Ask Science@lemmy.worldEnglish · 9 months ago

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?

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Wogi@lemmy.worldOP
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9 months ago
Well. SOMEONE’S gotta pick up day shifts mess!
- Troy@lemmy.ca
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  9 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.

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