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Charge Your Phone Using 200 Year Old Science And A Cup Of Coffee

onepuck1_610x516by Steven Doyle

Nearly 200 years ago Robert Stirling invented an engine that ran off air rather than fuel or steam, and retained gasses rather than emit toxic fumes into the atmosphere. Since 1816 there have been many versions used, and many in use today. A submarine employs a version of this engine originally designed by Stirling. Today there is a company called Epiphany Labs who hopes to take this engine design to charge your cell phone using your morning cup of coffee or a cold beer.   Continue reading

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