this post was submitted on 14 Jan 2026
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There is a guy on YouTube that simulates portals using real physics and science stuff, turns out that if you model the gravity on all sides of the portal it balances out and you would stop right in the middle of the two portals at least if they were perfectly over each other in a case like this you would stop somewhere in the middle of the slide because the gravity would travel between both portals
https://youtu.be/DydIhwLrbMk
The gravity is going down parallel to the portal opening though, so both portals have the same gravity direction, the only thing speeding you up is the slide
the fact that would violate the laws of thermodynamics (infinite energy) is a pretty good indication that's wrong.
Portals already violate the laws of thermodynamics. We’re arguing about whether gravity would work here.