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Research by dhaffnersr 267 research notes and wiki edits starting about 2 years ago

Build Instructions For The DH 4.0 v4 Spectrometer

by dhaffnersr over 1 year ago | 0 | 667 | 0


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Question: Is Global Warming primarily man-made or a natural occurring phenomena?

by dhaffnersr over 1 year ago | 2 | 526 | 0

My personal opinion on this subject is that, there has always been warming and cooling trends on ...

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