Magnetic field
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Magnetic Fields, also known as B-fields, are force fields that can be explained by relativistic effects of electric currents. Magnetic fields only exert a force on moving charges.
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.[1]
References
- ↑ 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.
