Dan's Workshop . He has quite a number of interesting projects on his blog, and sells detailed plans for some of them as pdf downloads. At $3.95, his furnace plans were well worth the money.
Gingery Machines , Casting Hobby , and various build blogs and web sites, I was well aware of the dangers of pouring aluminum over snow, wet earth, or even concrete. Here in Wisconsin, we get our first snow in November or December, and even when it melts, the ground is wet and muddy until late spring or early summer.
1. To document something that didn't work.
2. To document some ideas I came up with along the way that might be useful in other applications.
3. Stainless steel wire might be useful at lower temperatures or amperage.