Saturday, 11 September 2010

Magnetic Flip

(PhysOrg.com) -- The Earth's magnetic poles flip around every 200,000 years or so, with north becoming south and vice versa. Normally, the process takes 4-5,000 years and it ought to be impossible for the flip to be much faster, if models of the Earth's core are correct, but now for the second time evidence has been found of a flip that appears to have taken only a few years.

Stuff like this astounds me. The universe in general never ceases to amaze me but even back here on earth weird stuff is still around to find.

17 comments:

  1. Heard about this. Gonna be interesting when it happens.

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  2. Interesting is an understatement. Gonna be chaos if it happens while we're about xD

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  3. The article says it would be unnoticeable to most people when it changes. I wonder exactly what effects the pole change would have.

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  4. It affects the magnetic field that protects us from solar radiation and is used my many animals as a guidance system in particular bees. Though it is likely they will be ok without bees to polinate most of life will diminish in a relatively short time.

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  5. Luckily life has an amazing ability to adapt so birds and bees (har har) with the ability to sense magnetism in a way beyond our grasp will no doubt have to evolve very very quickly.

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  8. It would be so weird having compasses point south

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  10. i'm curious how this affects us humans....

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