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|    sci.physics.research    |    Current physics research. (Moderated)    |    17,520 messages    |
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|    Message 15,698 of 17,520    |
|    John Heath to John Heath    |
|    Re: Are north and south magnetic fields     |
|    12 Jul 17 07:25:33    |
      From: heathjohn2@gmail.com              On Monday, July 10, 2017 at 12:03:01 PM UTC-4, John Heath wrote:       > On Sunday, July 9, 2017 at 8:18:11 AM UTC-4, Ralph Frost wrote:       >> Please pardon my poorly worded question. Are there ~independent methods       >> of detecting a north pole/flux of a magnet from a south pole/flux?       >>       >> When I hold two rod magnets, one in each hand, and the center ends       >> attract, I can obtain repulsion two ways by giving either magnet/hand       >> one-half spin. Thus it appears that repulsion is attraction with       >> one-half spin (and potentially, 'north is south with one-half spin'...)       >>       >> Generally, we are taught that one of these repulsions is 'north-north'       >> and the other is 'south-south' (like-pole repulsion).       >>       >> I understand that if I am given an unmarked magnet, that I can assign       >> its ends a north or south label by the way it orients, say, within the       >> local geomagnetic field and ~relative to our prevailing planetary       >> spatial orientation relative to the 'North Star' -- Polaris.       >>       >> But, I wonder, and my question is, other than the inherited, nested, or       >> cross-dimensional correlation, does physics have any other means or       >> measures that determine if a repulsive magnetic region is 'north-north'       >> rather than 'south-south'? For instance, do they 'look different' under       >> different spectral scannings?       >>       >> I'm curious about this because it seems like our words seem to imply or       >> identify the existence of two separate 'things' whereas empirically,       >> there is or seems to be only the one, rather entangled or inseparable       >> 'thing'.       >>       >> Thanks in advance for any clarifications.       >>       >> Best regards,       >> Ralph Frost       >>       >> Reality is nested structured~duality.       >       > If I were to shoot a charged particle , electron , at your two magnets       > that are repelling I would know is it is south south or north north that       > are facing each other. Your cell phone has Hall effect tansisters inside       > to help with GPS. If you download an app such as compass it will also       > know if it is south south or north north. It works on the same principle       > as a moving charge.       >       > Interesting side point. If you glue 6 magnet together with all north poles       > faceing in like a mono pole it will stop being a magnet. The south poles       > on the outside will not stick to a fridge. It measures zero magnetic       > field with a cell phone. I find it odd that it loses all magnetism if       > there is only one north or one south pole.       >       > [[Mod. note --       > 1. Hall-effect magnetic-field sensors may make use of transistors,       > but I don't think there's any such a thing as a "Hall-effect       > transistor".       > 2. I am skeptical of your glue-6-magnets-together claim. References?       > More detailed description of experiments you've performed yourself?       > -- jt]]              To Mod note. I understand your skepticism. The leaps that have been made       in electrical engineering are mind blowing. I have lucked out in life to       be a part of this. A Hall effect transistor is actually about 300       transistors etched on a silicon wafer to construct a few op-amp. For       op-amp google early analog computers. These op-amps then amplify to       detect the smallest difference in voltage between two sides of a       conductor. This is where the detection of a magnetic field comes from as       a charge will shift right or left depending on a magnetic field.              As to a glue-6-magnets. It is sitting on my lab bench. You will have to       trust my integrity as a follow scientist that it measure no magnetic       field. When it comes to making measurements my living depends on not       making such mistakes. If I open this magnetic mono cube just a tiny bit       it will measure a magnetic field but not when closed into a perfect       cube. Vacuum rendering software model will come to the same answer if       that helps.              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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