These are the areas I feel I can contribute the most:
As a physics undergraduate I have a fairly decent knowledge of most intermediate physics and also have a fair few books on the more complex stuff if references are needed anywhere. I have more specific knowledge in Nonlinear Optics, specifically Second harmonic generation.
I have also played Warhammer 40k for nearly a decade, and have a substantial Ork army.
I am a big fan of computer games and own or have owned the following systems: