- Electronics engineering (from theory to soldering technique, pcb design, and sourcing components)
- Electronics repair
- Bits and pieces of cosmology, astrophysics, chemistry, advanced mathematics, and general relativity
- Some aspects of college/university life, but you're probably better off asking someone else
- Recommendations for fantasy novels and really good rpgs (including both old and new hidden gems)
- PC building
- low-spoons food
- an eclectic collection of trivia