Speed Of Light Is Not Constant - an Astronomy Net God & Science Forum Message

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Speed Of Light Is Not Constant

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Posted by Richard Ruquist on August 27, 2002 19:30:39 UTC

In EM theory it is well known that the speed of light slows down in dielectric material. That is what makes photographic lenses focus light, for example. Again your understanding is not complete.

Follow Ups:

hello? - fasteddy - August 27, 2002 - 23:01 UTC
- Equation for the speed of light - yanniru - August 28, 2002 - 13:25 UTC
  - Observed speed may vary; jury out on actual speed - spazcon - August 28, 2002 - 17:49 UTC
    - Light has been stopped - yanniru - August 28, 2002 - 20:34 UTC
      - Here's Johnny... - harvey1 - August 28, 2002 - 21:06 UTC
        
        How is this different from "absorbing" light? - carefuluniverse - August 28, 2002 - 23:54 UTC
        
        The light is slowed before trapping it - yanniru - August 29, 2002 - 14:04 UTC
        
        Please quote the passages which explain that in detail - carefuluniverse - August 29, 2002 - 15:59 UTC
        
        Read this - yanniru - August 30, 2002 - 00:27 UTC
        
        You have just requoted what I quoted and commented cryptically - spazcon - August 30, 2002 - 01:07 UTC
        
        I have no idea what you are talking about - yanniru - August 30, 2002 - 14:15 UTC
        
        You have no idea what both of us are talking about then - carefuluniverse - August 31, 2002 - 02:26 UTC
        
        To make a point - fasteddy - August 30, 2002 - 21:19 UTC
      - Sir Namesalot - carefuluniverse - August 28, 2002 - 23:24 UTC
        
        How about 1 mph? - harvey1 - August 29, 2002 - 14:26 UTC
        
        Thanks...that's about my speed. - carefuluniverse - August 29, 2002 - 16:06 UTC
        
        Absorption actually makes light travel faster - yanniru - August 30, 2002 - 00:33 UTC
        
        It's as clear as ....um...you know; it's, like, unclear! - spazcon - August 30, 2002 - 01:04 UTC
        
        It's based on a wave description of nature - yanniru - August 30, 2002 - 14:18 UTC
        
        It's nice of you to explain...did they explain their work thusly - carefuluniverse - August 30, 2002 - 19:59 UTC
See, it happens to you too! - doctordick - August 28, 2002 - 16:21 UTC
- You never commented on my final statements - yanniru - August 30, 2002 - 14:21 UTC

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