Carlos Cossio

Flower Power
September 2010
You too can power a device from a set of potted plants! However, in this case, the cells of the battery draw their energy directly from the plants, rather than from an electrochemical process.

The Green Standby
October 2009
Don't let your TV or other appliances suck power while in standby mode. Leave them connected to the grid while cutting the costs of your electric bills at the same time.