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 ...

At a recent solar energy trade show, the first thing anyone would note is that solar cells are cheaper than ever before. Perhaps second, is that solar vendors had all sorts of solar panels. There were ...

Future lunar bases could be powered by solar cells made on-site from melted moon dust. Building items on the moon, using materials that are already there, would be more practical than shipping them ...