Learn how to build a simple solar cell at home using copper tape, plastic cups, and water. This step-by-step science experiment demonstrates how to harness solar energy to generate electricity.

Some simple physics makes it possible to power your home with sunshine. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, but this does not influence our ...

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 ...