Discover how to harness the power of magnetism with our "Free Energy Magnetic Spinner Power Flashlight" tutorial. In this video, we demonstrate the fascinating principles behind creating a magnetic ...

Discover the creative process of making a flashlight specifically for light bulbs in this engaging tutorial. Learn ...

A 15-year-old girl has invented a flashlight that produces a usable amount of light just by using the heat from your hand. And if the judges at the Google Science Fair like it, she may be on her way ...