To: BenLurkin
HOw many centuries has man been keeping track of Magnetic
field strength??? 1 2?
5 posted on
08/08/2019 2:04:12 PM PDT by
tet68
( " We would not die in that man's company, that fears his fellowship to die with us...." Henry V.)
To: tet68
"HOw many centuries has man been keeping track of Magnetic field strength??? 1 2?"
The field of that succka moves around too much as it is.
7 posted on
08/08/2019 2:10:24 PM PDT by
Paladin2
To: tet68
Uh, the magnetic field tracking is ridiculously easy to keep track of, unlike inferring temperature and atmospheric composition.
You just check rocks on the ocean floor, the iron hardens in the direction of the dominant magnetic field. They form visible stripes when you measure for it.
8 posted on
08/08/2019 2:14:06 PM PDT by
Crazieman
(Civil war is near certain now.)
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