Researchers in Singapore have developed a battery that runs on urine. A single drop o’ wee can generate 1.5 volts, the equivalent of a single A-size battery. The technology is first being developed to power medical tests that involve testing of urine (such as for diabetes), but developers say that uses could expand beyond that to such applications as powering mobile phones or other devices during emergencies. Emergencies, hell! If my pee can be used to power my digital so-called life, laptop catheter, here I come.
More details and links here.