Gravity in Arrival: Can It Be Simulated on Earth?

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Discussion Overview

The discussion centers around the concept of simulating gravity on Earth as depicted in the film "Arrival." Participants explore theoretical possibilities, the nature of gravity, and the implications of the film's portrayal of alien technology.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant suggests that to simulate a gravitational field equivalent to Earth's, a system would need to have the same mass as Earth, implying that the film's proposal may be purely speculative.
  • Another participant mentions the use of magnets and MagLev technology as a means to create a floating effect, noting that the alien technology in the film appears to exceed current capabilities.
  • A later reply proposes the idea that the alien ship could theoretically emit equations that alter the Einstein Field Equations, thereby changing spacetime curvature to achieve its effects.
  • One participant asserts that there is no credible theory supporting the concept of antigravity, suggesting a definitive stance on the matter.

Areas of Agreement / Disagreement

Participants express differing views on the feasibility of simulating gravity and the nature of gravity itself. There is no consensus on the theoretical possibilities or the implications of the film's portrayal.

Contextual Notes

Limitations include the lack of established theories on antigravity and the dependence on speculative ideas regarding the manipulation of spacetime. The discussion also reflects varying interpretations of gravity as a force versus a geometric property.

CASPIDE
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Dears,

In the film the Arrival, of Denis Villeneuve, the alien ship apparently subjugates the terrestrial gravity. It's one thing to simulate gravity in space, another thing would be to simulate a gravitational system apart on Earth. Is there at least a theoretical possibility for this? How?

The premise is that to simulate a gravitational field equivalent to that of Earth, a system should have the same mass as Earth. So the proposal of the film would be no more than pure fantasy or speculation!
 
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Magnets can make things "float", MagLev trains, for instance. What the Heptapods did was, of course, well beyond that.
 
CASPIDE said:
Dears,

In the film the Arrival, of Denis Villeneuve, the alien ship apparently subjugates the terrestrial gravity. It's one thing to simulate gravity in space, another thing would be to simulate a gravitational system apart on Earth. Is there at least a theoretical possibility for this? How?

The premise is that to simulate a gravitational field equivalent to that of Earth, a system should have the same mass as Earth. So the proposal of the film would be no more than pure fantasy or speculation!

Maybe the ship can emit equations that can change the Einstein Field Equations and change spacetime curvature to do what it can do? Remember gravity is not a force.. but just equations of differential manifold (creating spacetime curvature)
 
There is no credible theory that allows for antigravity. There's nothing more to be said here.
 

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