Solar is no longer just a way to trim your utility bill; for many homeowners it is a serious contender to keep the lights on when the grid goes dark. Whether panels can truly stand in for a gas or ...

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Photovoltaic efficiency has come a long way over the decades, but there’s always room for improvement. A new study analyses how to make solar thermoelectric generators, or STEGs, more efficient by ...

Homes traditionally run on power grids, but it isn't 100% reliable. Technical problems can happen at any time, high consumer demand leads to blackouts, and there's the occasional weather disturbance ...