This clock runs on mud or soil! Dutch designer Marieke Staps figured out a way to make this little time device work by plugging it into the plant pot it comes with.
Biological Clock
The metabolism of biological life together with the chemical reaction of copper and zinc produce enough electricity to keep a digital clock working. The plants are purely for decoration and a reminder that the technique needs water now and then to work. € 37,50
Home voyeurs.... a peek into homes 