How Many Cowpower is That?
Zlorfik writes: " Accoring to a a Des Moines Register story, a new facility in Iowa can generate enough renewable energy from 700 cows to power 1,000 100-watt bulbs." This sounds like a good reason to switch to a slightly more efficient lighting system.
Or you can use one mouse to power an asynchronous microprocessor.
We never found the need to use any bigger animals.
Mouse powered Chips, Open source Processors and Lego