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

Here's a piece of nice in-house DIY engineering which can help a lot of guys out there looking for the best ergonomics for their electric motorcycle projects. This battery box design belongs to "mcf12 ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum ...

Batteries are made of two different metals - or electrodes -suspended in an acid solution. With this experiment, our metals are the copper (wire) and the zinc (galvanization of the nail). The acid is ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Battery storage is a mess. Too often we throw our stray AAs and 9Vs into a kitchen or home office drawer and then curse ourselves when we need to find them later. Well, Ben Brandt built a storage ...