A treadmill motor, a homemade flywheel, and some light bulbs work together to help this talented YouTuber explain the complex topic of regenerative braking.

The underground fortress where all the adults have fled, and the extreme DIY of children clutching testers and single-line ...

Generators come in all sizes, but when you need power for camping or tailgating, or to power tools when you’re too far from an outlet, a large one meant for home backup is just too much. Power ...

When a summer storm drops a tree across a Pepco feeder line, neighborhoods from Capitol Hill to Chevy Chase can lose power for hours while crews work through the outage queue. A standby generator ...

If you want to capture the sun’s power with solar panels, these are the best solar generators I’ve tested. It's easier and more affordable than ever to capture and channel solar energy for your home.

Discover how to create a simple magnetic generator using everyday repurposed materials in this step-by-step guide. We use items like a Fanta cap, DC motor, old CD, magnets, syringe plunger, and a ...

Create an account to access more content and features on IEEE Spectrum, including the ability to save articles to read later, download Spectrum Collections, and participate in conversations with ...

The design of different three-phase brushless DC motors and how they generate torque. How magnetics, construction, and other factors impact torque, speed, and smoothness in BLDC motors. General ...

Want a mobile workshop that works anywhere? Use a portable solar generator to power your tools off-grid. Full setup guide, cost breakdown, and kit recommendations. Most people think a proper workshop ...

We may receive a commission on purchases made from links. There are a lot of tools and tech you'll want around during a power outage. One of the most crucial is a good generator, as it can be a ...

Sizing conductors and protection for rotating electrical equipment is commonly required in the field and on exams. The rules are separate for different types of equipment and can become quite involved ...