Sites

Can the Equivalence Principle be Violated? (Popularity: )
http://www.mazepath.com/uncleal/eotvos.htm
Three chiral experimental violations of the Equivalence Principle are proposed: Eotvos experiment, Majorana balance, and simultaneous dual DSC calorimetric.

General relativity in the global positioning system (Neil Ashby) (Popularity: )
http://www.phys.lsu.edu/mog/mog9/node9.html
effects of GR on GPS

Supernova Cosmology (Edward Wright) (Popularity: )
http://www.astro.ucla.edu/~wright/sne_cosmology.html
Measuring the Curvature of the Universe by Measuring the Curvature of the Hubble Diagram