Has anyone wondered what that giant machine, with circular and tangential movements really is?
What is that glowing orb in the middle?
Why is it sometimes static?
Could it be a device that states the Traveler's "health" state? Could it be a device that the Speaker uses to commune with the Traveler? Or could it be something completely different?
Comment your Theories!
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Reminds me of the time travel device from the movie Contact.