One day, if a discovery by two University of Alberta engineering professors bears fruit, cellphones could be powered by a pressurized water system that would eliminate the need to recharge batteries. With the help of two graduate students, engineering professors Daniel Kwok and Larry Kostiuk were able to light a small bulb by squeezing a syringe of ordinary tap water through a ceramic "filter" containing 10,000 microscopic tubes. Read on for More Info