NASA To Announce New Science Results About Moon
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NASA will announce an exciting new discovery about the Moon from the Stratospheric Observatory for Infrared Astronomy (SOFIA) at a media teleconference at 12 p.m. EDT Monday, Oct. 26. Audio of the teleconference will stream live on the agency’s website. From a press release: This new discovery contributes to NASA’s efforts to learn about the […]

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my upgraded solar pool heater with  higher flow rate and temperature results
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I upgraded my solar pool heater , the temperature difference is pretty much the same but the flow rate has improved..

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