The Expanse

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Reading the books for the first time. How unreasonable is my gripe about thrust "gravity"? (lemmy.ca)

submitted 2 days ago by ech@lemmy.ca to c/theexpanse@lemmy.world

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With the show being one of my favorites, I'm happy to say that I'm really enjoying the novels as well. That said, it keeps bugging me when the term "thrust gravity" is always used to describe something that's explicitly Newton's 3rd law - ie, not gravity. I'm probably not understanding something, but it bugs me to see a series that makes a point to be at least reasonably scientific to use a term that seems so wrong.

Side note: How come the third law missed out on natural feeling shorthand? 1st - inertia. 2nd - f=ma. 3rd - ???. Feels like something got overlooked there.

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[–] ech@lemmy.ca -3 points 2 days ago (1 children)

Sure. My only issue is that it's scientifically inaccurate, so I don't see a problem with that. Writers invent words all the time and I don't really consider it confusing as long as they're adequately explained at some point.

[–] just2look@lemmy.zip 4 points 2 days ago (1 children)

So the author invented calling it thrust gravity. How is that different than explaining it and saying it is something like t-grav? They are both made up names for the same thing. And there is a scientifically accurate description of what is happening in the book. So I still am failing to see how using a different name is more or less accurate.

[–] ech@lemmy.ca -1 points 2 days ago (1 children)

My only issue is that it’s scientifically inaccurate

I already explained why it's different. I'd also have an issue with people calling lift on an airplane "anti-gravity".

[–] just2look@lemmy.zip 3 points 2 days ago

It isn't different. Thrust gravity and t-grav are both made up names for a concept that was accurately described in the book. So they are both equally accurate since there is nothing scientific about a made up name.