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Measuring the Curvature of the Universe by Measuring the Curvature of the Hubble Diagram
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Supernova Cosmology Two groups are measuring distant supernovae with the goal of determining whether the Universe is open or closed by measuring the curvature in the Hubble diagram. The figure below shows both data sets: Wang et al 2003) in orange and...Three chiral experimental violations of the Equivalence Principle are proposed: Eotvos experiment, Majorana balance, and simultaneous dual DSC calorimetric.
http://www.mazepath.com/uncleal/eotvos.htm
effects of GR on GPS
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General relativity in the global positioning system General relativity in the global positioning system Neil Ashby University of Colorado n_ashby@mobek.colorado.edu The Global Position System (GPS) consists of 24 earth-orbiting satellites, each carrying accurate, stable atomic clocks. Four satellites are in each of six different orbital planes, of...