The MudWatt is a great new science toy for kids and kids at heart (that means us) currently being funded on KickStarter. Using MudWatt you can generate a small amount of electricity to power a couple LEDs, a buzzer, a clock or anything else you can think of. The secret ingredient is mud (yes that stuff you cant find almost everywhere especially your garden).
This is possible thanks to little micro-organisms or “microbes” (not visible to the naked eye) one-tenth the thickness of a human hair that live throughout almost all soil and sediment on the earth and run mini hamster wheels. No just kidding. One species of these microbes releases electrons while eating up nutrients in [...]