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submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 1 year ago (1 children)

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.

[–] [email protected] 2 points 1 year ago

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