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I can sense magnetic fields of some strength through my nasal bone. Its like a metallic taste except its not where your taste buds are. I don't know if its rar

I can sense magnetic fields of some strength through my nasal bone. Its like a metallic taste except its not where your taste buds are. I don't know if its rare? I think most people just never held a magnet against their face.

Retric 2y ago
People get exposed to extremely strong magic fields when getting an MRI. So that’s probably not it.
- daveguy 2y ago
  On the surface this looks like a non-sequitur. I'm not sure what people getting exposed to strong magnetic fields while getting an MRI has to do with detecting a magnetic field. Are you saying something like "we should have been able to detect this"? This doesn't seem correct to me, because the magnetic field is through the aperture of the MRI -- ie head to toe in most MRI applications. If the MRI field is orthogonal to earth's typical magnetic pole, you wouldn't expect the same signal. I'm skeptical of a claim from a person that they can "detect" the earth's magnetic field, but I don't think "we have MRIs" implies anything about that ability.
  - squeaky-clean 2y ago
    They're responding to this part > I don't know if its rare? I think most people just never held a magnet against their face. If it were not rare, and simply because most people haven't held a magnet against their nose, people would definitely feel it during an MRI scan, since those are much much much stronger than any regular magnet. An MRI will rip a nose piercing right out of you, a regular magnet you'd have around the home couldn't do that.
  - Retric 2y ago
    “I think most people just never held a magnet against their face.” I don’t think they comprehend just how strong an MRI is. You don’t need to be inside the machine for it to be the strongest magnetic field you’ve experienced, that’s likely true if you’re in the room nearby. Sure it falls as the square of the distance, but those suckers are big. https://www.youtube.com/watch?v=kLjxhuybFWo https://www.youtube.com/watch?v=kLjxhuybFWo For comparison earths magnetic field is ~50 microtesla vs an MRI at 200,000 to 7,000,000, with 1.5 million microtesla (aka 1.5 T or 15,000 gauss) being common.
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    - blueflow 2y ago
      Most people haven't been in an MRI, either. I only know about their existence from TV.
      - Retric 2y ago
        That doesn’t really matter here. ~300k people in the US get an MRI per year (significantly more are near the things) and they have been around since the 1970’s. If simply waving weak magnetic fields in people’s faces were enough for anything close to 1% of people to notice then it would be common knowledge at this point. When the signal is strong enough you don’t need careful experiments to pick out the difference. IE the rest of the universe outside of earth isn’t made of antimatter because our telescope’s aren’t on fire. https://what-if.xkcd.com/114/ https://what-if.xkcd.com/114/
        daveguy 2y ago
        Let me break it down for you. In electromagnetic fields both an electric field and a magnetic field are produced. They are orthogonal to one another (in 2D with 2 vectors this is perpendicular, orthogonal is when the vector is in a different dimension with respect to multiple reference dimensions). So, detection of a magnetic field could be based on the detection of this orthogonal electric field in the presence of a magnetic field. Highly sensitive electrical detection cells triggered by a magnetic field would be orientation specific, because the more "out of orientation" the less strong the signal. Also, we could easily have chalked this effect up to a "weird side effect" of metallic taste during MRI[0] which would be more pronounced when the head is moved during the MRI[1]. Hopefully it is clear now why "I think lots of people would have noticed it" is not a great argument against the possibility of humans evolving the detection of magnetic fields. Please let me know if I can clarify anything. [0] https://mriquestions.com/metallic-taste.html https://mriquestions.com/metallic-taste.html [1] https://pubmed.ncbi.nlm.nih.gov/17969179/ https://pubmed.ncbi.nlm.nih.gov/17969179/
725686 2y ago
You should probably approach some of the people investigating this.
GrumpyNl 2y ago
Sounds more like you can taste static electricity.

Retric 2y ago

People get exposed to extremely strong magic fields when getting an MRI. So that’s probably not it.

daveguy 2y ago
On the surface this looks like a non-sequitur. I'm not sure what people getting exposed to strong magnetic fields while getting an MRI has to do with detecting a magnetic field. Are you saying something like "we should have been able to detect this"? This doesn't seem correct to me, because the magnetic field is through the aperture of the MRI -- ie head to toe in most MRI applications. If the MRI field is orthogonal to earth's typical magnetic pole, you wouldn't expect the same signal. I'm skeptical of a claim from a person that they can "detect" the earth's magnetic field, but I don't think "we have MRIs" implies anything about that ability.
- squeaky-clean 2y ago
  They're responding to this part > I don't know if its rare? I think most people just never held a magnet against their face. If it were not rare, and simply because most people haven't held a magnet against their nose, people would definitely feel it during an MRI scan, since those are much much much stronger than any regular magnet. An MRI will rip a nose piercing right out of you, a regular magnet you'd have around the home couldn't do that.
- Retric 2y ago
  “I think most people just never held a magnet against their face.” I don’t think they comprehend just how strong an MRI is. You don’t need to be inside the machine for it to be the strongest magnetic field you’ve experienced, that’s likely true if you’re in the room nearby. Sure it falls as the square of the distance, but those suckers are big. https://www.youtube.com/watch?v=kLjxhuybFWo https://www.youtube.com/watch?v=kLjxhuybFWo For comparison earths magnetic field is ~50 microtesla vs an MRI at 200,000 to 7,000,000, with 1.5 million microtesla (aka 1.5 T or 15,000 gauss) being common.
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  - blueflow 2y ago
    Most people haven't been in an MRI, either. I only know about their existence from TV.
    - Retric 2y ago
      That doesn’t really matter here. ~300k people in the US get an MRI per year (significantly more are near the things) and they have been around since the 1970’s. If simply waving weak magnetic fields in people’s faces were enough for anything close to 1% of people to notice then it would be common knowledge at this point. When the signal is strong enough you don’t need careful experiments to pick out the difference. IE the rest of the universe outside of earth isn’t made of antimatter because our telescope’s aren’t on fire. https://what-if.xkcd.com/114/ https://what-if.xkcd.com/114/
      - daveguy 2y ago
        Let me break it down for you. In electromagnetic fields both an electric field and a magnetic field are produced. They are orthogonal to one another (in 2D with 2 vectors this is perpendicular, orthogonal is when the vector is in a different dimension with respect to multiple reference dimensions). So, detection of a magnetic field could be based on the detection of this orthogonal electric field in the presence of a magnetic field. Highly sensitive electrical detection cells triggered by a magnetic field would be orientation specific, because the more "out of orientation" the less strong the signal. Also, we could easily have chalked this effect up to a "weird side effect" of metallic taste during MRI[0] which would be more pronounced when the head is moved during the MRI[1]. Hopefully it is clear now why "I think lots of people would have noticed it" is not a great argument against the possibility of humans evolving the detection of magnetic fields. Please let me know if I can clarify anything. [0] https://mriquestions.com/metallic-taste.html https://mriquestions.com/metallic-taste.html [1] https://pubmed.ncbi.nlm.nih.gov/17969179/ https://pubmed.ncbi.nlm.nih.gov/17969179/

725686 2y ago

You should probably approach some of the people investigating this.

GrumpyNl 2y ago

Sounds more like you can taste static electricity.