Watch how a high voltage generator is built using TV flyback transformers and voltage multipliers to produce massive electric arcs. See powerful lightning discharges, high voltage experiments, and how ...

GM and power grid company ABB Group have been looking at what to do with all those giant lithium-ion batteries in the Chevy Volt after their lives of powering the car are over. While the batteries ...

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency—no matter what.