10

Example Questions
11
Blacksmithing: Does a coal- or wood-fired forge impart any qualities to the metal that a gas-fired forge does not?
10
Blacksmithing: Can an electric kiln (such as for firing ceramics) be used as a forge to melt metals for casting?
11
Blacksmithing: How much cleaning / prep is required to melt down aluminum cans for casting aluminum? Will impurities be a problem?
4
Chemistry: How does soap make dirt/oils wash away in water?
5
Chemistry: Why is alcohol often a better solvent for organic compounds than water?
22
Chemistry: Why does 1 cup of water + 1 cup of alcohol produce less than 2 cups of solution?
1
Chemistry: What are the basic safety rules for storing chemicals at home, garage, classroom, etc.? (Is it OK to store X in the same cabinet as Y?)
2
Chemistry: What is the chemical process used to refine raw (brown) sugar to produce white sugar?
4
3D Graphics: What techniques should I use (or avoid) to keep my solid models “water tight”?
1
3D Graphics: How can I check that my model is a “water tight” solid in [application]?