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According to the Special Theory of Relativity, there should be no restingframe in our universe. Such an assumption, however, could be in conflict withthe Standard Model of cosmology today, which regards the vacuum not as an emptyspace. Thus, there is a strong need to experimentally test whether there is aresting frame in our universe or not. We propose that this can be done byprecisely measuring the masses of two charged particles moving in oppositedirections. If all inertial frames are equivalent, there should be nodetectable mass difference between these two particles. If there is a restingframe in the universe, one will observe a mass difference that is dependent onthe orientation of the laboratory frame. The detailed experimental setup isdiscussed in this paper.

Is there a resting frame in the universe? A proposed experimental test based on a precise measurement of particle mass