Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...

Discover how to build a DIY magnetic stirrer from basic materials in this easy-to-follow tutorial. Perfect for mixing tea, coffee, or even for science experiments, this homemade magnetic stirrer uses ...