Overview

One can imagine quite literally a galactic subway system composed of a series of accelerator tubes or mass drivers that is somehow set rotating along with the galaxy. The main caveat is that the connections of the tubes and the tubes themselves would need sufficient mechanical strength so as to not pull themselves apart under their own rotation induced centripetal tension. The really cool thing about such a system is that the energy used to accelerate cars within the system could be extracted by magnetic induction breaking and recycled over and over again to accelerate cars or trains down the transit tubes. Car acceleration velocities of one G should enable one to sport about anywhere within the Milky Way in one average human familial generation car time. Higher Gs are possible but some sort of G force cancellation would then be required to make the trips comfortable and survivable over the long transit times. In this book, you will find some compelling reasons why a deep future time Humanity may want to construct cosmic subway systems.

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9781500927912

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