Toured an engineering college in 04.
The metallurgy lab was doing demonstrations melting solder and some coins. Worked well from what i saw.
Given flux you can melt gold with the setup.
I saw this for the first time last night on ebay. Looks REALLY interesting. I even thought about getting one. I will most likely end up with an extra microwave when I move. (But, I'm not sure, I think it's only a 1000 Watts, not the 1200 that it recommends.) Maybe as I get more gold, I'll look into it again.
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The metallurgy lab was doing demonstrations melting solder and some coins. Worked well from what i saw.
Given flux you can melt gold with the setup.