James Kakalios wrote The Physics of Superheroes (http://www.amazon.com/Physics-Superheroes-James-Kakalios/dp/B000RO9ZRI/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1235656123&sr=8-1).
This guy is an uber-geek, just my kinda folks.
http://www.youtube.com/watch?v=zmj1rpzDRZ0&eurl=http://www.aintitcool.com/node/40232&feature=player_embedded