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   sci.physics      Physical laws, properties, etc.      178,769 messages   

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   Message 178,456 of 178,769   
   Dawn Flood to Thomas 'PointedEars' Lahn   
   Re: Here's an illustration that the coll   
   14 Dec 25 10:14:30   
   
   XPost: sci.physics.relativity, alt.atheism, sci.skeptic   
   From: Dawn.Belle.Flood@gmail.com   
      
   On 12/13/2025 4:23 PM, Thomas 'PointedEars' Lahn wrote:   
   > JTEM wrote:   
   > ^^^^   
   > Who?   
   >   
   >> For example, and I've already pointed this out a   
   >> number of times so you doubtlessly missed it but,   
   >> there's is no "Distance" or "Space" to a photon.   
   >   
   > We simply do not know that.   
   >   
   > While it is correct to say that zero proper time elapses along lightlike   
   > geodesics (ds^2 = +- c^2 (d tau)^2 = 0 ==> (d tau) = 0 ==> Delta tau = 0),   
   > we also know that *a photon has no inertial rest frame* as that would   
   > contradict the postulate of the constancy of c, one of two postulates which   
   > make up the special principle of relativity which special relativity is   
   > based on, *and* the Planck--Einstein relation E = p c = h f.   
   >   
   > Curiously, special relativity fails to describe *completely* a motion at the   
   > speed c that it is based on.   
   >   
      
   Hi Thomas!   
      
   Thank you so very much for your post!!  It's always great to have a   
   physicist among us!!!   
      
   Dawn   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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