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franktankbank06/16/20252 repliesview on HN

No you are right. You can't invoke gravity in an analogy trying to explain gravity.


Replies

dudeinjapan06/16/2025

The same effect could be replicated in a zero-gravity environment using an alternative background force (centrifugal force, vacuum suction, electromagnetism, etc.)

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cwmoore06/16/2025

Not without a bridge for the metaphor to generalize. What parameters map to the nutjar’s selective force, size, and mass?