Thread: Spud Gun in slow-mo on Smarter Everyday
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Old 06-23-16, 06:29 AM   #2
stevehull
Steve Hull
 
Join Date: Dec 2012
Location: hilly, tree covered Arcadia, OK USA
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Watch this video - fascinating. Thanks Xringer!

Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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