XPost: sci.electronics.design   
   From: starmaker@ix.netcom.com   
      
   On Thu, 19 Feb 2026 21:41:50 +0100, nospam@de-ster.demon.nl (J. J.   
   Lodder) wrote:   
      
   >john larkin  wrote:   
   >   
   >> On Thu, 19 Feb 2026 20:52:48 +1100, Bill Sloman    
   >> wrote:   
   >>   
   >> >On 19/02/2026 7:49 am, Ross Finlayson wrote:   
   >> >> On 02/18/2026 12:43 PM, Python wrote:   
   >> >>> Le 18/02/2026 à 20:13, Ross Finlayson a écrit :   
   >> >>> ..   
   >> >>>> and, you know, magnetic monopoles, is widely employed   
   >> >>>> in medical imaging and the like.   
   >> >>>   
   >> >>> No.   
   >> >>   
   >> >> Resonance imaging (NMR) is a thoroughly different mechanism   
   >> >> than Roentgen rays.   
   >> >   
   >> >But as the name implies, it's nuclei of the atoms involved that exhibit   
   >> >the resonance. It's a remarkably low energy effect, and you need   
   >> >remarkably high magnetic fields to get it to give you a detectable signal.   
   >>   
   >> The earth's field is enough. The hydrogen resonance is about 4   
   >> KHz/gauss.   
   >   
   >   
   >   
   >(paywalled, unfortunately)   
   >   
   >Jan   
      
      
   https://www.jstor.org/stable/26172037   
      
      
   This link will give you a automatic download of the FULL PDF file:   
      
   https://www.sciencemadness.org/talk/files.php?pid=89590&aid=2617   
      
      
   A wall is to keep 'other' people out...   
      
      
   i'm a quantum...i go through walls.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)