XPost: sci.electronics.design   
   From: bill.sloman@ieee.org   
      
   On 20/02/2026 12:13 am, J. J. Lodder wrote:   
   > 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.   
      
   Yes, but we were talking about medical imaging, not nuclear magnetic   
   resonance in general, and your assertion is the irrelevance here, as the   
   text you snipped pointed out.   
      
   --   
   Bill Sloman, Sydney   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)