[FRIAM] technical notes on fusion announcement

[Marcus Daniels]

Yikes!  So we must develop an artificial magnetosphere for Mars so that we can do it on Earth too?

Sent from my iPhone

On Dec 16, 2022, at 3:03 PM, Gary Schiltz <gary at naturesvisualarts.com> wrote:


We humans tend to think of such long-term thinking as silly, frivolous mind exercises for the elite educated. I would applaud such thinking. But western civilization has trouble with seven generations, let alone seven million generations.

On Fri, Dec 16, 2022 at 3:21 PM David Eric Smith <desmith at santafe.edu<mailto:desmith at santafe.edu>> wrote:
I doubt the answer would be interesting, but one could give it as a Fermi problem to an undergraduate geology class (who don’t do Fermi problems; but the physicists won’t know any geology).
...
How much, for how long, can we extract, until the inner core grows enough that the geodynamo shuts down, ending the Earth’s magnetic field, the van Allen belts etc., and exposing the atmosphere directly to spalling by protons from the solar wind?
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