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[Phys-l] What's happening here?



Hi everyone,

After I finished working with a benchtop scroll saw, I noticed this pattern in the sawdust on the work bench. The saw vibrates quite a bit, so I'm pretty confident that the vibration is the root cause, but I don't quite get why this apparent fractal pattern emerged. Ideas?
http://imagecloset.com/tiny/874159

Josh

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Joshua Gates

Physics Faculty
Tatnall School – Wilmington DE
Johns Hopkins Center for Talented Youth