• jetsetdorito@lemm.ee
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    1 year ago

    This can’t apply because unlike the portals, both sides of the ring are moving at the same speed/direction.

    • lightnsfw@reddthat.com
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      1 year ago

      The ring is not touching the thing passing through it to impart any forces. The object passing through carries only what energy it takes with it.

      • min@lemmy.sdf.org
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        1 year ago

        Then where does the energy to displace the air on the blue side of the portal coming from?

    • Shiki@lemmy.world
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      1 year ago

      Yes they are though, it’s the exact same premise.

      What force is generated where on the other side of the portal, it’s a hole in space, it doesn’t transfer anything.

      Speedy thing goes, speedy thing comes out. Nothing gets transferred to or from the hole.