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I know this is speculative, but do you think it is possible and/or plausible that measurement precision could be improved to the point where we generate gravity waves to transmit data much as we do with EM waves?

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Another LIGO scientist here. It takes an overwhelming amount of energy to generate gravitational waves, and detecting them from terrestrial sources is about 20 orders of magnitude more difficult than the measurement we just made. Space, is extremely stiff; bending it enough to be detectable requires a huge amount of mass-energy.

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