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   sci.space.policy      Discussions about space policy      106,651 messages   

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   Message 106,000 of 106,651   
   Doctor Who to All   
   Re: So you think it is a thermal effect    
   13 Jan 23 14:37:25   
   
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   From: Doctor Who    
   Newsgroups: sci.space.policy   
   Subject: Re: So you think it is a thermal effect ...   
   Date: Fri, 13 Jan 2023 14:37:25 +0100   
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   From: doc@tardis.org   
      
   On Fri, 13 Jan 2023 03:16:53 -0800, Snidely    
   wrote:   
      
   >Doctor Who  scribbled something on Thursday the 1/12/2023:   
   >> We ask you to prove that you know electrodynamics.   
   >   
   >An electric or magnetic field generates a force on a charged particle.   
   >But charged particles still have mass, and their acceleration is still   
   >constrained by that mass.  Which has been well studied at highly   
   >relativistic speeds (and the magnets at CERN are very big and use a lot   
   >power to move a smattering of particles).  Each upgrade since the   
   >original cyclotron has required more power for smaller increases in   
   >speed.   
   >   
   >Is there something else in electrodynamics that you think allows   
   >acceleration where F=ma doesn't apply, in either its Newtonian or   
   >relativistic form?   
   >   
   >/dps   
      
      
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