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'''Magnetic Fields''', also known as B-fields, are force fields that can be explained by [[relativistic]] effects of [[electric current]]s. Magnetic fields only exert a force on moving [[charge]]s.

'''Magnetic Fields''', also known as B-fields, are force fields that can be explained by [[relativistic]] effects of [[electric current]]s. Magnetic fields only exert a force on moving [[charge]]s.

The magnetic field of [[Earth]] is directional nearly north-to-south.  This field has been decaying at a rapid rate of about about 5% per century, which casts doubt on the theory that the [[Earth]] is billions of years old.<ref>K.L. McDonald and R.H. Gunst, ‘An analysis of the earth’s magnetic field from 1835 to 1965,’ ESSA Technical Report, IER 46-IES 1, U.S. Govt. Printing Office, Washington, 1967.</ref>

The magnetic field of [[Earth]] is directional nearly north-to-south.  This field has been decaying at a rapid rate of about about 5% per century, which casts doubt on the theory that the [[Earth]] is billions of years old.<ref>K.L. McDonald and R.H. Gunst, 'An analysis of the earth’s magnetic field from 1835 to 1965,’ ESSA Technical Report, IER 46-IES 1, U.S. Govt. Printing Office, Washington, 1967.</ref>

 

 

Scientists have speculated about the history of [[Earth]]'s magnetic field.  One group that makes use of the [[Bible]] as a resource for science suggests that the history of the [[Earth]]'s magnetic field is as depicted to the right.<ref>http://www.answersingenesis.org/creation/v20/i2/magnetic.asp</ref>

== References ==

== References ==

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[[category:physics]]

[[category:physics]]