Gadget Freak Case #197: Controlling Solar Water Flow
Gadget Freak 10/25/2011 19 comments To make his solar water heater more efficient, Paul Westaway put together a differential controller that turns on the pump when the temperature of the solar panel or woodstove coils is higher than the temperature in the storage tanks and turns off when the temperature is lower.
A new federally sponsored manufacturing innovation center to strengthen US manufacturing abilities in fiber-reinforced composites has formed, bringing together materials suppliers, OEMs, university R&D labs, and national labs.
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