Thursday November 13th 2008, 1:41 pm
geezers – on the topic of free energy, a group is developing fuel cells made from bacteria in soil or waste!
“You can just literally make energy from dirt,” said Aviva Presser, a graduate student at the Harvard School of Engineering and Applied Sciences. “And there’s a lot of dirt in Africa.”
Solar energy is difficult to exploit in locations with lots of rain, so researchers are developing a system capable of harvesting energy from the vibrations of rain drops. [
