http://www.studygs.net/genius.htm
Summary:
1. Look at problems in many different ways, and find new perspectives that no one else has taken (or no one else has publicized!)
2. Visualize!
3. Produce! A distinguishing characteristic of genius is productivity.
4. Make novel combinations. Combine, and recombine, ideas, images, and thoughts into different combinations no matter how incongruent or unusual.
5. Form relationships; make connections between dissimilar subjects.
6. Think in opposites.
7. Think metaphorically.
8. Prepare yourself for chance.