heat

Hydrogel patch for phone batteries converts waste heat to electricity

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Scientists develop new regenerating hydrogel that can cool overheating phones and computers and convert waste heat into electricity  Thin hydrogel film straps to phone batteries to convert waste heat to electricity  The new polymer-based film transfers electrons when heated to generate power  Water inside the hydrogel then evaporates to cool the patch has a cooling … Read more

Giant greenhouses to use sewage farm heat to produce vegetables

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Giant greenhouses the size of 26 football pitches are being built in Britain to grow tomatoes, cucumbers and peppers using excess heat from sewage farms The first two greenhouses are being opened in East Anglia powered by sewage The Norfolk facility is the same size as 26 football pithes with miles of piping The company … Read more