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That's the kind of thing nightmares are made of D^:

I'm not understanding the physics. It melts and clogs, so it quits grinding as well. Why does the wheel come apart?

What's up with that? Why's grinding aluminum bad? edit: To rephrase, why can steel be ground but not aluminum?

I've been exceptionally lucky. Lots of instances where I'd be dead if it were setup slightly different. The biggest "incident" was having a 5/8" cable dropped on my head. I got a helicopter ride for that, but I was fine. The most life changing was the most banal incident. Did something to my...