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Tag Search Results For 'general theory of relativity' (2)

The Possibility of Time Travel

Velvet Howler | June 29th 2008

I just ran across this interesting article on time travel published by BBC News. The basic idea is that there are essentially two formulas: (a) time travel is not possible (ostensibly because we have never encountered its affects in the present) or ( read more

Other areas of inquiry Cosmology

Astronomy Magazine | December 3rd 2007 by Adam Daza

Cosmologists also study: * whether primordial black holes were formed in our universe, and what happened to them. * the GZK cutoff for high-energy cosmic rays, and whether it signals a failure of special relativity at high energies * the equiva read more

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