Learn how to build a hand-crank phone charger at home using simple electronics components like repurposed DC motors, magnets, ...

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 ...

"Exporting my excess daytime production to the grid for pennies." ...

My portable charger is probably the most useful piece of technology I carry with me, other than my phone. I am terrible about remembering to charge my phone until I’m stuck on a delayed subway at 7PM ...

Nuclear batteries are pretty simple devices that are conceptually rather similar to photovoltaic (PV) solar, just using the radiation from a radioisotope rather than solar radiation. It’s also ...

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 ...

Electronic enthusiasts, makers and hobbyists needing battery packs to power their projects may be interested in a new DIY lithium ion battery building kit, created by Micah Toll and launched by ...

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 ...