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In Portal, using the portal gun to get to the moon is the obvious space travel usage, but I think people are overlooking how it'd let you trivially break the rocket equation. (digipres.club)

submitted 10 months ago by [email protected] to c/[email protected]

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In Portal, using the portal gun to get to the moon is the obvious space travel usage, but I think people are overlooking how it'd let you trivially break the rocket equation.

Hell, you could build a >1g torchship using nothing but the ocean.

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[–] [email protected] 1 points 10 months ago

@[email protected] I don't think mass exiting through a portal imparts any thrust to the surface the portal is on, so not sure this works. but the remote fuel tank and the "infinitely falling object continuously pulls on gravitational partner" both seem legit to me. as well as the time travel implications.