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Q&A Consequences of Portal-Travel

One concept that comes up a lot in this sort of world (think Portal, Neal Asher's Polity series or Niven's Ringworld etc) is momentum. Portal states, "Speedy thing goes in. Speedy thing comes out,...

posted 8y ago by roryalsop‭  ·  last activity 8y ago by roryalsop‭

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