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   sci.physics.research      Current physics research. (Moderated)      17,516 messages   

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   Message 16,913 of 17,516   
   Jos Bergervoet to Rock Brentwood   
   Re: Physics bitten by reverse Alan Sokal   
   07 Jan 22 08:04:12   
   
   From: jos.bergervoet@xs4all.nl   
      
   On 22/01/05 10:31 AM, Rock Brentwood wrote:   
   > On Tuesday, January 4, 2022 at 7:37:11 AM UTC-6, Rock Brentwood wrote:   
        ...   
      ...   
   >> has come to my attention, only now, because the twins involved in it   
   >> have died together on the same day yesterday.   
   >   
   > One died on January 3, the other late in December.   
      
   The stationary one or the one that travelled?! (Just curious how   
   the paradox is now resolved..)   
      
   >   
   > The key point here   
   >> 1A. What Is "Zero Size"?   
   >   
   > is that the metric does not determine whether something is squashed down   
   > to a single point.   
   >   
   > Dimension is not a metric property, but a topological property. So,   
   > regardless of whether the spatial part of the metric is 0 or not,   
   > 3-dimensions means 3-dimensions.   
      
   Why? If I say there are 5 dimensions, but the metric tensor entries   
   involving the 2 "new" directions are all zero, how can you see the   
   difference?   
      
   --   
   Jos   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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