Cool Tools

Make a Solar-Powered, Battery-Free Flashlight

You probably don’t need flashlights too often, but when a power outage occurs or you’re outside at night they’re certainly useful. Solar flashlights are a better option, too, because you can just leave them by the window and never have to worry about the batteries. With this DIY option, you definitely don’t have to worry because it doesn’t require any batteries at all. More »