From: titang78@gmail.com   
      
   Hello everyone, I search for an answer to a problem about length   
   contraction.   
      
   If we have a ruler of length L, its near end is at x=0 and far end   
   at x=L when stationary. If we put it in motion, its length is   
   contracted to L/gamma. At time t, it moves the distance s. So, its   
   near end is at x=s and far end at x=s+L/gamma. For any s and any   
   velocity, its far end's will be smaller than L if L is sufficiently   
   long. That is, while its near end moves to the right, far end moves   
   the left. This is so weird.   
      
   You can see the computation here, page 4 from figure 13 and on, in the page   
   https://pengkuanonphysics.blogspot.com/2019/08/from-michelsonmor   
   ey-experiment-to.html   
   or  https://www.academia.edu/40208137/From_Michelson-Morley_expe   
   iment_to_length_contraction   
      
   Does anyone have an idea?   
      
   PK   
      
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