From DIY levitation tricks to clever braking systems, these swirling paths of electrons keep finding new ways to surprise and inspire.

Distribution transformers must adhere to NEC and NFPA 70 standards, with specific requirements for overcurrent protection, ...

A popular DIY "freezer trick" promises to revive dead power tool batteries. Before you try it, here's what experts say ...

Inverter-driven HVAC systems deliver 30–50% energy savings — but their sensitive electronics are highly vulnerable to voltage ...

There are many different principles on which to draw in moral reasoning about specific environmental problems. This lesson reviews three basic pairs of principles: justice and sustainability; ...