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I reasantly attended a presentation on this very subject by one of the Australian scientists/astronomers working on the Australian part of this project. It was interesting to note that the time fluctiations involved in the gravitational wave theory is very, very small. Timing this fluctuation seems to me, the lay observer, almost impossible. The measurement seem to be based on long term measurements in the pulses from pulsars scattered throughout the universe. These very small time fluctuations are to be measured over quite a long period and are expected to be quite small. The extent of the time fluctuation is almost unmeasurable with timing instruments we have here on earth.
Should be interesting to see some of the results they get and how they go about the measurments required.
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