Solar power systems are relatively simple in terms of their components, as residential systems are comprised of panels and inverters, with batteries sometimes added. One additional component that is often found in these systems is a tracker. Solar trackers are designed to automatically aim the solar panels at the sun as it "moves" across the sky, thus maximizing available solar energy. They offer several advantages to fixed panels, but there are a few disadvantages you should be aware of as well.
Dumpster diving is more common than people realize. In fact, it's become a rising trend in the currently strained economy. People who call themselves "freegans" eat and live off what they find in the dumpster. Dumpster diving is their full time job. Others do it on the side to save money on food and other items. People have found some great treasures in the dumpster. Here are some dumpster treasures that made the news.