Proof : Light Speed isn't Constant

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Discussion Overview

The discussion revolves around the claim that the speed of light is not constant, with a focus on the effects of motion and gravity on light propagation. Participants explore theoretical implications, particularly in the context of special and general relativity, and the relationship between light speed and wave density.

Discussion Character

  • Debate/contested
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant argues that the wave density of reflected light changes with the motion of mirrors, suggesting that this contradicts the constancy of light speed.
  • Another participant asserts that the speed of light is constant, challenging the initial claim and requesting a diagram for clarity.
  • Some participants discuss the implications of gravity on light speed, noting that while light speed is constant in special relativity, general relativity introduces complexities where light speed is constant only locally.
  • A participant elaborates on how gravitational effects on time could lead to different measurements of light speed from varying gravitational influences, suggesting that light speed could appear different depending on the observer's location.
  • There is a contention regarding the accuracy of the thread title, with some participants pointing out the inconsistency in claiming "proof" while also stating "I think."
  • One participant emphasizes that the wave density of incident light also changes with mirror motion, reinforcing the argument that the speed of light remains constant despite these changes.

Areas of Agreement / Disagreement

Participants generally disagree on the constancy of light speed, with multiple competing views presented. Some support the idea that light speed is constant, while others argue for conditions under which it may not be perceived as such.

Contextual Notes

Discussions involve assumptions about the effects of gravity on light speed and the interpretation of wave density, which remain unresolved. The conversation also highlights the need for clearer communication and diagrams to support complex arguments.

nakayama
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Proof : Light Speed isn't Constant !

Please allow me to show the most conclusive(seems to be) part of my site.

Two stars are on the right and on the left. Facing stars, two mirrors are set at 45 degrees, and reflect star's lights to under. Speed of two reflection lights are same always. Therefore, when two mirrors move together to right or left, wave length(looked from view point of mirror) of two reflection lights may be changed. In other words, wave density(number of waves that stays within certain same length of light course) of reflection light is changed by mirror's motion. But how about incident light ? Wave density does not be changed by mirror's motion ! In short, wave density(number of waves that stays within certain same length from mirror) of reflection light and incident light are not same generally. Constant light speed can't explain above, I think.

See my site also, if you please. I can't receive E mail. I haven't PC.
http://www.geocities.co.jp/Technopolis/2561/eng.html
 
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nakayama,

No offense, but your english isn't good enough to make your point without a diagram.

In the meantime, you're mistaken. The speed of light is constant!
 
I think you should have picked a better title name especially with..."Constant light speed can't explain above, I think."
 
Last edited:
Pengwuino said:
I think you should have picked a better title name especially with..."Constant light speed can't explain above, I think."

pengwuino i know i don't have great grammar either, but "can't explain above ' would only be correct from your perspective. since you read it and post below it. as such she would say below. because her discrition wasnt above the title.

ridicule my grammar as much as youd like

i also utterly agree, measuring the speed of light located of 2 different origins whos time is impacted by gravity. however if you measured a far, outside of that gravity well. the speed of the light as it resided near that gravity well would be effected by the gravity, and the observer would not. the speed of the light would be dependent on the speed at which time flowed at both locations being measured. if the stars were of utter different mass conent, the rate of time, at both studiable origins would be impacted varyingly. now to explain, as your location is un effected by either gravitational body the light emitted at either location would be adversly effected. this would induce the belief that, light from both sources could if possibly measured, result in different values.

something to note, If due to large gravitational bodys. time varied differently from one of two origins of light. then the amount of time it would take a observer to record 1 light year, located at the test gravity body would not corespond with the amount of time it would take an observer from afar. noting that einstein already proved that time distortion can effect measuring tools like precise clocks.

also note if the speed of light traveling near a gravitational body respectively corresponds with the un affected observers constant. (as measured from afar) this means that light would be required to travel faster on the location of an origin.


thus why in a earlier post i already spoke of this very thing loght speed is both a constant and not. as long as measured on sight you will receive the same constant. as both the rate of time and the speed of light would correspond with the speed flow of time, at the location.


but I am not a scientist so don't take me too seriously
 
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No i mean the fact that he said "Proof" in his title but at the end, he says "I think". Thtas why the title isn't accurate. I am not talking about the 'cant explain above' part.
 
wrong English better spoke, you you you tell could if I why were.
 
In special relativity, the speed of light is constant. But if you add gravity, then you have to use general relativity, and according to general relativity the speed of light is a constant only locally.

(P.S.: the above is correct, right pervect or somebody? :smile: )
 
cefarix said:
In special relativity, the speed of light is constant. But if you add gravity, then you have to use general relativity, and according to general relativity the speed of light is a constant only locally.

(P.S.: the above is correct, right pervect or somebody? :smile: )

Yes, basically in GR there is always a locally "flat" frame (locally Lorentzian frame) at any given point in space time, and in this locally "flat" frame the speed of light is always equal to 'c'.
 
nakayama said:
But how about incident light ? Wave density does not be changed by mirror's motion !

The wave density of the incident light as seen from the mirror changes also.
The speed of light is still constant.
 

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