Can Space Appear Curved Due to Forces Similar to Magnetism?

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Discussion Overview

The discussion revolves around the nature of space and its potential curvature, particularly in relation to gravity and forces analogous to magnetism. Participants explore whether space itself can curve or if the observed effects of gravity could be explained by alternative mechanisms. The conversation touches on theoretical implications, mathematical models, and interpretations of spacetime.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants question how "nothing" can curve to produce gravitational effects, suggesting that the curvature of space might be an illusion or a result of forces similar to magnetism.
  • Others argue that curved spacetime is a mathematical model created to describe gravitational phenomena, and they emphasize that spacetime only curves in the presence of stress-energy.
  • A few participants mention gravitational waves and discuss the implications of Einstein's equations in vacuum, suggesting that curvature can exist without matter under certain conditions.
  • There are claims that the perception of curved space may be a projection of a higher-dimensional reality onto a three-dimensional framework.
  • Some participants express uncertainty about the physical reality of curved spacetime without mass, raising questions about the validity of certain mathematical models.
  • Discussions also include the philosophical implications of defining space and whether it can be considered "empty" or if it possesses intrinsic properties.

Areas of Agreement / Disagreement

Participants do not reach a consensus on whether space can curve independently of matter or if the observed effects of gravity can be attributed to alternative forces. Multiple competing views remain, with ongoing debate about the nature of spacetime and its mathematical representation.

Contextual Notes

Some statements rely on specific interpretations of mathematical models and definitions of space, which may not be universally accepted. The discussion includes references to advanced concepts such as gravitational waves, Einstein's equations, and the philosophical implications of space's nature.

  • #31
DaleSpam said:
I think the premise is a little off. Empty spacetime does not curve. Spacetime is only curved in the presence of some stress-energy.
_______

Exactly. I think I should note here that actually there is no such thing as empty space. I found my statement on observed cosmic microwave background radiation (CMBR) and continuous particle - antiparticle birth and annihilation throughout all observable universe. If we are to speak of empty space and nothingness or universe beyond observation we are obligated to recognize our action as intrusion into realm of metaphysics.

Acordingly we can develop further understanding of general ralativity and spacetime curvature based on CMBR. I believe we can achieve quite reasonable discription based on that universe has matter/energy all throughout it. It's just that for human point of view (which is traditionan euclidian space) matter/energy is concentrated more in one areas than others - that being planets, stars and black holes opposed to what we call vacuum. As for the spacetime point of view all universe has equally distributed matter/energy all throughout it. Therefore spacetime is not curved in itself. However it appears to be curved for us exactly because we doesn't share the same point of view. Additionally CMBR allows us to bypass earlier problem of explaining presence of gravity in empty space.

Let's conclude: More matter/energy means more spacetime.

(This is why light travels slower in densier and lower energy - temperature close to zero kelvin, materials. It just needs to cover more spacetime.)

Even furthermore we can explain gravitational phenomena using same developments in quantum mechanics. I refer to particle potentionality to be anywhere in space, and that means anywhere with only restriction being speed of light which sets horizon of potentiality. So as for massive objects which has way more spacetime, according to my improvised underlined theorem above, statistically particle has much greater potential to end up in or closer to massive object in space than further away from it. If particle is continuously subjected to such potentiality over time it ends up being pulled closer to object.

This is rather rough outline of my poor understanding of subject, so any discussion is appreciated.
 

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