Solar panels are becoming a popular energy staple among the eco-friendly community. Solar energy is a free, inexhaustible resource, yet harnessing it has been a relatively new idea in our time. In truth, however, solar energy was the first energy source used by mankind. Originally, this use was limited to drying things and heating caused by direct contact, but nowadays our technology is much more refined and practical. Solar panels are designed to reduce your energy bills by using what the ea...