"This is so cute!" DIYer shows off amazing creation made with old dinner napkins: 'So practical' first appeared on The Cool Down.

The Slim Solar+ keyboard is powered by exposure to normal indoor lighting and can be wirelessly connected to three different devices at once.

The Slim Solar+ keyboard is powered by exposure to normal indoor lighting and can be wirelessly connected to three different devices at once.

Learn how to create your own energy solar cell at home with this step-by-step tutorial. This video will guide you through the process of making a solar cell using easy-to-find materials. Whether ...