From: titang78@gmail.com   
      
   Le dimanche 30 juin 2019 13:06:07 UTC+2, kunz a écrit :   
   > PengKuan Em writes:   
   > > What is sure in my paper is that no direct measurement of length   
   > > contraction has been done. This is what I'm trying to propose. Of cause   
   > > most people think like you and believe that Special Relativity is   
   > > flawless, because it has passed all tests it faced to until now.   
   > > However, science needs direct proof.   
   > >   
   > > I will give more elements later.   
   >   
   > I'd say the electromagnetic effect mentioned by Tom Roberts on 26 June   
   > is a direct measurent. We see the charge density of the wire increased   
   > (charges contracted) by measuring the coulomb force. There is no more   
   > direct relation than that between charge density and electric force.   
   >   
   > This is much more direct than any attempt to apply rulers to moving   
   > objects, clock synch. etc.   
      
   Charge density is a consequence of length contraction, but not the   
   contraction itself. Like the round shade of an object. The shade may be   
   a direct measure of the object, but is the object sphere or cylinder?   
   Real measure is needed to determine this.   
      
   --- SoupGate-Win32 v1.05   
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