Thinking about living off the grid? This post explains how we went about selecting our solar electric system, considering factors such as cost of a photovoltaic system, and how much energy we use on a daily basis. | Homestead Honey
IBM solar collector magnifies sun by 2,000 times (without cooking itself), costs three times less than similar systems. It uses a combination of photovoltaic panels and solar thermal to reach 80% efficiency in conversion of sunlight to energy. Now that's hot!!
DIY Homemade Solar Furnace -- Solar energy is free, and is always begging us to make use of it. Here is another great way you could make use of solar in your house. Why not build this diy homemade solar furnace to help heat your home this winter. Most of the materials for this project can be re-purposed or picked up at dump yards. The reminder should not cost you more than $50 at your local hardware store.