By Danielle Elliot /
CBS News/ July 17, 2013, 5:47 PM
Urine-powered cell phones?

Next time your cell phone dies, you might not need to hunt for your charger. Just drink a tall glass of water and wait 20 minutes. When you get the sudden urge to pee, you're all set: A British researcher has figured out a way to charge cell phones with urine.

Okay, it's not quite that simple. But according to Dr. Ioannis Ieropoulos, urine is an ideal power source for small electronics. It should work for showers, lights, toothbrushes and razors, too. His breakthrough research is published in the journal Physical Chemistry Chemical Physics....