Sciencescience

Sun Feb 24, 2019, 07:44 PM

Magnetism has mystified man for centuries

https://www.businessinsider.com/earth-north-south-poles-flip-magnetic-field-2018-4

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Reply Magnetism has mystified man for centuries (Original post)
oflguy Feb 24 OP
Gamle-ged Feb 24 #1
It Guy Feb 24 #2

Response to oflguy (Original post)

Sun Feb 24, 2019, 08:14 PM

1. As molten material emerges from the Mid-Atlantic Trench and solidifies, any iron component...

... adopts the then-current magnetic field. Over millions of years it's like a polarity switch turning on, off, on, off with a permanent record gradually moving away from the rift...



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Response to Gamle-ged (Reply #1)

Sun Feb 24, 2019, 08:24 PM

2. Just like writing data or recording on a disc or tape.

Somewhere in that magnetic record a halfwit will blame man. Just sayin.

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