How to build a trombe wall.a glassed in wall that heats a home using passive solar. This sort of passive heat collector works,phenomenally well. A nice little indoor greenhouse can be built in front of the wall to take advantage of the heat in winter
Solar Charging iPad Case - provides up to 10 days use w/o the need for a charge. Solar panel uses a new technology that converts both indoor and outdoor light into electricity that constantly charges an iPad. Has a built-in stainless steel stand.
Colorful Solar Powered Bottle Lights Our Solar Bottle Lights are a festive and functional way to light your garden, deck or patio at night. Solar panels absorb sun's energy by day, and glow hours on a full charge.
One of the most techie and ecologically friendly ways of powering gadgets is via the the sun. This section of Coolest Gadgets is dedicated to gadgets that get their power from the sun’s rays, be it via solar panels or just simple heating.