Aurora Borealis induced sounds confirmed – measured at 70m AGL

From Aalto University , something I’ve always wondered about but could never hear myself. They have a video of aurora, complete with sounds which follows below. I wonder if this isn’t something akin to thunder, where magnetic or static field lines create a sound once they fade or collapse. – Anthony Sounds of northern lights…

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The Message in the Dye 3 Data

Guest post by David Archibald The story so far: in this recent post – Ap Index Neutrons and Climate, we had looked at the Dye 3 oxygen isotope-derived temperature record to see how big climate swings have been over the last few thousand years. Figure 1: Dye 3 Temperature Record from Oxygen Isotope Ratios As…