VAULT DWELLERS SERVED

Saturday, July 12, 2014

Grand Minimums and Magnetic Reversals


Cycles of stability followed by periods of very rapid, sudden changes to climate. "Rapid" shifts meaning not a few decades, most of the time in less than a few years.


1 comment:

mojo said...

So, how far south does one need to be in order to survive the next ice age?

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