In this comprehensive tutorial, you'll learn how to make a battery charger from scratch! Whether you're a DIY enthusiast or a ...

Discover the fascinating process of creating your very own DC motor or generator in this detailed instructional video.

SAN FRANCISCO -- During an emergency, it's important to keep your cellphone handy and charged. In the event the power goes out, it's going to be even more difficult to find a place to plug back in and ...

No matter how you feel about humanoid robots, they currently all have a technical limitation due to their form factor. Unless the robot is tethered to a power supply, it needs a battery, and unless ...

As battery-to-grid and vehicle-to-home technologies become increasingly mainstream, the potential for repurposing electric vehicle (EV) batteries has grown significantly. No longer just a niche ...