The Best Home Generators Are a Big Investment. These Models Deliver Reliable Power During an Outage.

Our editor-tested and researched portable and whole-home options keep appliances and other essentials running during an emergency—no matter what.
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Engineered balsa wood stores solar heat to generate power after dark

A team at Nanjing Forestry University has turned balsa wood into a solar heat battery. By infusing lightweight balsa ...