XPost: sci.physics.relativity   
   From: nospam@de-ster.demon.nl   
      
   Bill Sloman  wrote:   
      
   > On 19/02/2026 9:56 pm, J. J. Lodder wrote:   
   > > 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.   
   > >   
   > > Nevertheless, it is easily demonstrated in the kitchen   
   > > with some simple electronics.   
   >   
   > Sort of.   
   >   
   > https://en.wikipedia.org/wiki/Nuclear_magnetic_resonance   
   >   
   > There are lots of different ways to exploit nuclear magnetic resonance.   
   > The earth's magnetic field is high enough to let you devise experiments   
   > that can demonstrate the effect on a kitchen table.   
      
   Nothing 'sort of'.   
   You -can- easily demonstrate the effect on the kitchen table.   
   (at audio frequencies)  Wikipedia is right here.   
      
   Jan   
      
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