(Reuters) — A power outage – it’s an experience all are familiar with and everyone dreads. The lights go out, the TV goes black, the computers shut down as their batteries drain. And worst of all – your smartphone dies. This scenario was one of the inspirations for Andrew Byrns of California startup Stower to develop the candle charger. Its simplistic design is based on the principles of thermo-electrics, which have been around since […]