Self-Sustaining Energy: The Arc Reactor Theory

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Discussion Overview

The discussion revolves around the concept of a self-sustaining energy source, specifically focusing on the theoretical arc reactor and the feasibility of using a flywheel in a vacuum as an energy source. Participants explore the scientific validity of these ideas, touching on themes of nuclear physics and energy generation.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant expresses confusion about the scientific possibility of the arc reactor, questioning whether it is a legitimate concept or merely comic book science fiction.
  • Another participant categorically states that the arc reactor is pure science fiction and not based on actual science.
  • A participant poses a hypothetical question about the potential energy generation of a flywheel placed in a vacuum, wondering how long it could spin and create energy.
  • A later reply elaborates on the flywheel concept, suggesting that if there were no friction, it could theoretically spin indefinitely, but emphasizes that energy extraction would ultimately slow it down, aligning with the principles of conservation of energy.
  • The same reply warns against the implications of proposing perpetual motion machines, indicating that such discussions are not permitted in the forum.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the scientific validity of the arc reactor, with clear disagreement on its feasibility. The discussion about the flywheel also remains unresolved, with differing views on its potential as an energy source.

Contextual Notes

The discussion highlights limitations in understanding the principles of energy conservation and the implications of hypothetical scenarios, particularly regarding perpetual motion. There are also assumptions about the conditions under which the flywheel operates that are not fully explored.

Artemis Fowl
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I am new to nuclear physics and i was just looking out for anything on a non-polluting, high energy source of power when i found this article on the internet about the arc reactor.
http://www.quora.com/What-is-the-theory-concept-behind-the-Miniature-Arc-Reactor-built-by-Tony-Stark
I am confused whether this is scientifically possible or if this is just the usual comic book Science fiction.
 
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Physics news on Phys.org
Pure science fiction, not actual science.
 
Out of curiosity, if we placed a Flywheel in a vacuum, would it spin and create enough energy? And for how long?
 
Last edited by a moderator:
Indi SUmmers said:
Out of curiosity, if we placed a Flywheel in a vacuum, would that bastard spin and create enough energy? And for how long?

If there were really zero friction or other effects to slow it down, it would spin forever - consider that the Earth turning on its axis is a giant flywheel and it's been going strong for some billions of years now.
However, if we try to power something with the flywheel it will slow down as we extract energy from it, and we won't get any more energy out of it than what went into it to start it spinning in the first place.

(Also, please be aware that discussion of perpetual motion machines are not allowed here; this post is spared the wrath of the mentors only because you probably didn't realize that you were proposing a form of perpetual motion).

I'm closing this thread because both questions have been answered.
 
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