New thermionic generator overcomes the 'space-charge problem'. (Courtesy: J Mannhart/MPG) A new type of thermionic generator that turns heat or light into electrical energy has been developed by ...

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

A generator can support crucial appliances such as heaters, refrigerators, and regulate temperature during power blackouts in your home. Suppliers of electric generators realize high sales whenever ...

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