Capturing Light with a Theoretical Mirror Sphere: Observable? Possible?

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Discussion Overview

The discussion revolves around the hypothetical scenario of using a perfectly reflective one-way mirror in the form of a sphere to capture light. Participants explore the implications of such a design, questioning its feasibility and observable effects.

Discussion Character

  • Exploratory, Debate/contested

Main Points Raised

  • One participant proposes the idea of a sphere made from a theoretical perfectly reflective one-way mirror and questions whether light could accumulate inside it for a noticeable period of time.
  • Another participant challenges the feasibility of shining light into a solid sphere, suggesting that a reverse of a perfectly reflective mirror would be opaque.
  • A third participant clarifies the concept by referencing a one-way mirror that allows gamma radiation to pass in one direction, implying that such a mirror could theoretically be transparent in one direction and reflective in the other.
  • A later reply mentions that similar discussions have occurred in the past, providing a link to a previous thread with answers.

Areas of Agreement / Disagreement

Participants express differing views on the practicality of the proposed idea, with some clarifying the concept while others question its validity. The discussion remains unresolved regarding the observable effects and feasibility of capturing light in this manner.

Contextual Notes

Assumptions about the properties of the theoretical mirror and the mechanics of light interaction with such a sphere are not fully explored, leaving gaps in understanding the implications of the proposal.

BadSector
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What would happen if: I had a sphere produced from a theoretical perfectly reflective one-way-mirror(reflective on the inside) and a shone a light into it?

Would the light accumulate inside the sphere for a noticeable period of time? Would it be observable? Could light be captured this way?

Don't be too harsh if this sounds totally ridiculous.
 
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How do you intend shining a light into a solid sphere from the outside?? surely the reverse of a perfectly reflective mirror must be opaque?
 
I think he means a literal one way mirror, much like the "sail" on the proposed nuclear explosion powered spacecraft that passes gamma radiation one way, but not the other. So a perfect one way mirror would be perfectly transparent in one direction and perfectly reflective in the other.
 

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