Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to repurpose an aluminum can, a CD, copper wire, toothpaste, lemon juice, and a ...

"Check to see if it's under or over for the month." Solar panel owners offer advice on how to improve rooftop panels' ...

It may not be a game changer for your electricity expenses, but the power pulled in by the solar panel is likely to be enough ...