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A comment on The Great Lightbulb Conspiracy. Parent comment

Re:The Great Lightbulb Conspiracy by usmanshaikh06 on Tuesday March 06, 2018 @04:25AM (#16527820)
Recently Fully Charged published a video on Heat pipes. How its 400% efficient(if you measure in terms of heat units added or removed from the house) https://www.youtube.com/watch?v=aWgkl7W9xU0&t=623s
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