Wood-burning stoves aren't known for being particularly efficient, and their smoke not only contains high carbon emissions but causes health risks to those who inhale it. A portable design from <a hre
<img src="http://www.crunchgear.com/wp-content/uploads/2008/07/solar_panel.jpg" />
If there's something solar energy as a technology needs, then it's better and cheaper solar cells. And now Sharp has
A few TV manufacturers and broadcasters have joined forces to develop 10 minutes of boredom as a standard way of measuring energy use. Apparently energy consumption varies based on the genre so the cl