One day, maybe soon, you'll charge your cell phone just by walking around with it -- thanks to a UH professor.Pradeep Sharma and an A&M professor named Tahir Cagin think they've solved a problem that's long vexed researchers. It involves a lot of mumbo-jumbo of the sort that scientists like to use, but essentially, through the wonders of nano-technology, the pair have greatly increased the efficiency of a gizmo that generates electricity through movement.Sharma tells Hair Balls you will be r
