What will happen Dec 21 2012? Earth stops its rotation? How long? Uhh....3 days... ET contactee Tolec states below:
[link to kauilapele.wordpress.com]

“The electromagnetic particles that will be flowing & interchanging between the planets during the 12.21.12 alignment will be highly magnified and highly supercharged when they reach Earth. They will penetrate the crust, through the Earth and down into its core.

At the actual moment of alignment it will cause the Earth to pause, and this process will completely transform the core of our planet to a completely new kind of energy source.

This will be the first time cosmic transformational event of this type ever… for a planet. Time will begin to go away, and Earth will continue her evolution & transformation process into becoming a higher dimensional world.”