Planetary Poles and Magnetic Fields - Sixty Symbols

Dr Meghan Gray chats about magnetic fields and the Earth's changeable poles.
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Editing and animation by Pete McPartlan
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[@BobStein]

What a treat to listen to a very knowledgeable person with excellent communication skills. More of that, mankind.

[@daddymuggle]

On a side note, it's reasurring when these very, very smart people stumble over the occasional word. It helps me feel better about my own speech.

[@lumer2b]

This was much much more interesting than I thought it would be. Very nice video.

[@elvis_mello]

All fields of physics work like that

[@tommos1]

I feel like she's describing the lead up to the end of the world.

Look up the magnetohydrodynamics (MHD) of active galactic nuclei (AGN) accretion disks. Mind blowing and still so much to be discovered. It is motivating me to learn higher maths. I promise it's worth it and excellent therapy for getting away from the horrible state of world politics and social conditions right now.

[@vikranttyagiRN]

@ Amazing

[@ishworshrestha3559]

Ok

[@greypaladin4560]

As a Canadian I am not sad about this. We can share the North pole. And for anyone that is asking; yes, Santa is Canadian. His postal code is H0H 0H0.

[@ronaldderooij1774]

Nope, he is fake. The real one is in Finland. He has a postal code there too. I don't remember what it was. But in fact, they are all fake derivatives of Sinterklaas (Dutch) which is a fake derivative of Thor.

[@MinecraftCoolCreeper]

@@ronaldderooij1774 rustig aan ronald was grapje

[@hjembrentkent6181]

North pole is just going to be open ocean anyway, the south pole is the place to be in the future. Unless we use nuclear power to stop the climate crisis ofcourse.

[@mheermance]

Sounds legit.

[@rursus8354]

Nonsense, everybody know that Santa is Finish.

[@whatdamath]

Brilliant video! Love Dr Gray's enthusiasm!

[@culturecoroner]

ANTON! Hey, Buddy! Love your videos!

[@jerrdnn3373]

I agree Anton. Also, your videos are fantastic,as well!

[@nitbot]

Hello wonderful person

[@thedecktothe16thpower56]

Like a true Eagle Falconeer.

[@danielmichaelanderson8034]

Anton... You're rad!!!

[@acetate909]

This video is awesome and is surely the start of a magnetic pole rabbit hole for me. If I'm not back in a week send a search party with a map and a -compass- better map.

[@darrenmarchant1720]

an interesting instrument for finding magnetic fields is called a Ferrocell; it is a small amount of magnetic fluid called Ferrofluid developed by NASA sandwiched in between two glass plates with LED lights around the sides. very interesting.

[@acetate909]

@ Lol...@MHD.

[@RWBHere]

Evan Fields, even better, send someone with GPS kit.

[@DevangLiya]

It's been a week. Are you back?

[@daviddroescher]

To look into the rabbit hole with a periscope watch Ben Davidsons earthchanges playlist on his Suspicious Observers KZbin channel

[@jeremytravis360]

Back in 1964 my science teacher told me that magnetic deviation was caused by large loadstone deposits in Canada. I did watch a documentary recently about magnetic pole reversal and they made it out to be quite alarming. Thank you for this fascinating video.

[@exoplanets]

Thank you for making these awesome videos!

[@rogl9395]

Who knew that when combining Navier-Stokes and Maxwell's equations things would get complicated.

[@garak55]

Ever since i was a young undergraduate recoil in fear at the words Navier Stokes...

[@no_handle_required]

Everyone on these videos always seems so excited about their individual subjects. That's so inspiring. If i had professors like this when I was in school or college, I might be doing something very different right now, instead of commenting on a youtube video.

[@IMadeOfClay]

[9:08]. "a bit wonky". Dr Gray sounded well English. She's been hanging out with us for so long she's picking up an accent 😂. And we're happy to have her 👍

[@ryanrockers]

That sound effect on the google earth zooms is definitely the sound of the Imperial Probe Droid on Hoth from The Empire Strikes Back right?

[@sylviasaint7966]

You've got it backwards. In the movie it wasn't the Imperial Probe it was the "Google Drone" sending the map data. :-D

[@Triantalex]

false.

[@Allamuylejos]

It is a pleasure listening to such an knowledgeable person. Dr. Gray makes the subject approachable for all audiences. Thank you for posting it.

[@JasonRobards2]

This answers a whole bunch of answers I had about this subject. Good video!

[@MarcCoteMusic]

I always enjoy the videos with Dr Gray... As a Canadian, I may be biased in this... But one thing I notice every time is just how precise her diction is. I don't know if I've ever heard anyone else speak with such clear articulation.

[@clayainsworth9018]

I notice the British accent creeping in.

[@oriepierce7034]

Before GPS when ,as an airline pilot, we had to fly over the very north we had to be very wary of losing Inertial Navigation computation of the offset caused by the variable magnetic offset required to stay on course.

[@PlusNeu]

Would it be considered "going into the dark"?

[@astropredo]

Dude, this video is just magnificent! Thank you! I wish to work with you guys one day. I have a colleague that will soon, I'm totally jealous hahaha

[@StarkRG]

Magnetohydrodynamics? Shouldn't there be thermodynamics in there as well? Magnetothermohydrodynamics. But what if you need to simulate a single electron in that mess? Well, that'd have to be quantum magnetothermohydrodynamics.

[@hamstsorkxxor]

You are giving me nightmares and Vietnam flashbacks simultaneously.

[@StarkRG]

@@hamstsorkxxor Just be glad you don't have to factor in gravity...

[@lijemutu]

But if this electron is moving near light speed that would be quantum relativistic magnetothermohydrodynamics

[@StarkRG]

@@lijemutu The problem with that is that an electron can't move at relativistic speed through a medium, which is required for all the other bits. Nice try, though.

[@orthochronicity6428]

Fusion research looking at particle scattering in the plasma deals with exactly this scenario. There's also an application for this in the early universe where you get to factor in relativistic effects along domain fronts formed as the universe expands, which might help address why there is so much more matter than antimatter in the universe, depending on what still undiscovered physics you decide to include in your calculations. I'm pretty sure the fusion people have the more complicated scenario though, because they actually need fine details where the cosmologists and particle physicists can just worry about average everything (probably).

[@Alp_Mimaroglu]

I love Dr Meghan's videos. Thank you brady for making these awesome videos and thank you Dr Meghan for making them informative and lovely.

[@imager8763]

Meghan Gray always has a wonderful way of explaining things!

[@AbnormalWrench]

Those magnetic topographic maps were amazing. I had no idea there was that much variation.

[@avijitkundal2109]

finally a new sixty symbols video, where have you guys been?

[@patrik5123]

Two words: Hello Internet.

[@JAzzWoods-ik4vv]

@@patrik5123 Two words: wax cylinders

[@shevek5934]

Awesome video! I wish you'd asked why the magnetic and geomagnetic poles are different. That seems surprising and non-obvious.

[@frankman2]

Yes. I think they glossed over that. Maybe they thought it was too obvious. Had to search for the answer elsewhere. Great video BTW !

[@mike3684]

I have no idea if this is at all related, but the regularity of the pole flip, along with its "wandering" nature sounds like an Intermediate Axis phenomenon... just kinda has that feel to it...

[@IanGrams]

Huh that's a pretty interesting comparison I'd not considered before. I like the way you think!

[@MelancholyCrypto]

Discored so much stuff I didn't know before watching this vidoe, and now I have an interest in this subject, thank you!

[@man_of_lawlessness]

Thanks for sharing such a detailed video. I don't know why scientists never mention solar activity such as long periods of solar intensity (modern maximum) or the repeating cycle called the grand solar minimum. It's not a coincidence that the poles are moving faster and the previous 4 solar cycles have had less sun spots with a weakening magnetic field. Then there's the south Atlantic anomaly which looks like it's preparing itself to become either a north or south pole. Just wanted to add, imagine if the sun was to hibernate then any notion of a magnetic field on earth is laughable. The driver for the magnetic field must surely be the sun! These satellites are simply measuring the effect that the sun has on our planet. For years now I've seen stories upon stories about migrating animals flying or moving to the wrong place following their inner compass and then dying in a horrific "mass die off". I think humans are in trouble if we experience an excursion because our bodies rely on the magnetic field too. Life expectancy will go back down to low numbers as we try and adapt to the change in polarity. We're in serious trouble. Thanks 👍

[@jasonlox27]

this video is too old now

[@josephdestaubin7426]

"It's a very complicated field." Scientist really can't help themselves with the puns.

[@its1110]

Blame the linguists... they made the words. We just use them.

[@josephdestaubin7426]

@@its1110 Linguistics don't make words. Now that I think about it, scientists make way more words than any other group I can think of. That's not a bad thing. But it is true.

[@its1110]

@@josephdestaubin7426 And just imagine what must be the case with __German__ scientists. Given all the compounding. :) We'll just leave it to the Semanticists to fight over later.

[@penand_paper6661]

@@its1110 At least they ain't Inuit...

[@Zero11s]

globe earthers aren't scientists

[@jasonlox27]

pole is shifting especially marcch 2023

[@7munkee]

3:35 We don't know anymore about the earths core than we do about the magnetic field. We ASSUME its solid iron, but when you apply logic, how can the core remain solid when it is surrounded by molten iron?

[@7munkee]

@SpyingDutchman When you heat iron, it loses its magnetism. Yet we have a magnetic field???

[@yommish]

Melting point increases as pressure increases. The pressure is greater at the center which increases the phase transition point.

[@aurelia8028]

Santa claus lives in Greenland! 😤

[@lennutrajektoor]

Brady, can you do follow-up on this where very precise atomic clocks are used to measure minute changes in gravity and thus allowing to "see inside the Earth" and on top of that attempts to use neutrinos to map interior of the Earth. I know neutrino detector and beam is used to screen through Fukushima nuclear rectors to get a picture how the melted core inside looks like. Neutrino thing is very in its infancy but very precise atomic clock approach is long known.

[@lordgarion514]

I thought they used muons to image inside Fukushima?

[@lennutrajektoor]

@@lordgarion514 Yes, my bad! It was indeed muon tomography attempt. Now the Q is can it be used for screening thicker objects.

[@DenfordBerriman]

XJ9-CS14 detected

[@Alfreditop]

Loved it!!! Thanks for your time and effort!

[@bryanst.martin7134]

The spherical core shape is bogus. Look at Magnetic Reversal News. Serious science, that was previously spurred, is now being recognized and taught. The Sun changes polarity every 11 years or so. Also, there is a large planet entering our Solar system this fall. When it reaches CPA to Earth, plasma arcs will discharge between the planets as their electrical potential is very different. Underground dwellings saved Human life once before, and will do so again, but not everybody gets to go. Plan for an energyless existence, or have the intuitive ability to make it.

[@Kowzorz]

I wonder how the sun's field affects the formation of each planet's field.

[@briandeschene8424]

I believe the video speaks of three things being required for a planet to have a magnetic field. One was identified as the Seed Field which I believe the Sun is providing. At least that’s my understanding of this item from the video.

[@ritamittenzwei4983]

Yes we will see it in our life time this is old video now and the magnetic fields are now moving faster than ever they expect it to flip in a few years things are moving fast so start looking at the videos out there that are telling us...I feel it I see it you should too and prepare

[@Confuseddave]

...were those the Imperial Probe Droid sound effects? I thought it was just a coincidence with the garbled speech, but the the "wom-wom-wom" sounds kicked in...

[@jacobdoran9433]

I think it was

[@conflict6292]

Dont think so, but they were Very similar. Just dont let Han or Chewy (rip) shoot any of the poles !!... ;-)

[@puddintaine4556]

..and Saturn.

[@geoffreyswan7866]

Is the shifting of the magnetic poles contributing to the change of the worlds weather patterns and not necessarily all man made results as most people like to postulate as the cause......

[@bobann3566]

Man only began causing the climate to change when corrupt Representatives in Government came up with the Carbon Tax Scheme.

[@geoffreyswan7866]

@@bobann3566 I totally agree greedy powerful corporations and corrupt politicans all over the world are peddling false narratives and have so far convinced most of the public to accept that we are the primary cause when geo magnetic storms land gamma rays and the earth polar shifting and earth crust displacement and other events beyond our earthly control are the primary triggers to what we are experiencing .Meanwhile the taxpayers are footing the bills for multinational to deceive us and make enormous profits, They don’t care about the average person but make profits ahead of the welfare of people

[@culwin]

"Astronomers don't know a lot about magnetic fields" And a thousand juggalos liked this video

[@nononsensedragon9438]

Not going to be a thousand years, it's not going to be a hundred years, it's happening right now at a pole near you oh, and the whole earth is the theater. And there's a lot more that goes with it. If you want to see the evidence, just look at what the Democrats are doing and what's happening around the world, it's a stage out performance to keep you from panicking, that will give them enough time to go hide underground which won't be a safe place either, with all the earthquakes and tectonic plate movement. And all the planets in our solar system are reacting right now, so don't be fooled, we're at the end of a new beginning

[@marcobertoglio7729]

so much knowledge, so much passion! Given away so humbly and yet so clear and engaging. You deserve 7 billion views! Now I know a little more about the place where I live, and the place where I am going to die. Thank you!!!!!

[@ahmedmuhammed6905]

U killed it although it is very complicated topic and also power points and images were so helpful

[@brentgauspohl9779]

Dr. Gray has been in britain too long; listen to those 't's! (Great video, as always.)

[@EyeOfAllah]

Was there a disruption of the magnetic poles after the bombs were dropped on Japan?

[@bobann3566]

far more powerful bombs have been detonated since then.

[@PeterVC]

This was super interesting!

[@davejones9469]

The problem is our sun just entered an active cycle so if our poles are gonna flip, they better do it soon or hold off for another 20 years or so. We might not rely on magnetic fields biologically, but all the technology that keeps millions alive rely on them, and one big flare or CME is all it'll take. I saw the northern lights in Toronto last time that happened.

[@kchorman]

Do our cell phones do the self correcting when you turn on the compass apps (i.e. the built-in one on the iphone)?

[@mastod0n1]

Pretty sure those apps use GPS and the accelerometer inside the phone to simulate a compass and it's not a true compass. So I imagine they show a pretty true north. Edit: I was wrong. Phones do have magnetometers built in. Should have done a quick Google search first!

[@saintchuck9857]

@@mastod0n1 no, magnetometer so magnetic north. quite accurate as well.

[@robmckennie4203]

presumably the hardware in engineered such that there is no internal interference. Plus, as long as the interfering field doesn't move with respect to the sensor, and isn't strong enough to swamp out the sensor, you can compensate for interference

[@fx4d]

there's a setting for it--you can choose.

[@tiagotiagot]

Depends on the app; some do the correction, some don't, and some shows both the true and the magnetic north (using your GPS position to figure out the required correction)

[@scarlettngai9412]

Great presentation except at the very end

[@kirkmattoon2594]

So Mars lost its atmosphere when its lost its magnetic field. What about Venus? We're told it too lacks a magnetic field, but it has an extremely dense atmosphere, despite being subjected to more intense solar wind than Earth or Mars. How come?

[@VariantAEC]

Never heard that Venus doesn't have a magnetic field. Will have to look that up some time. Will postulate preemptively that Venus' gravity being greater than Mars' helps along with the fact that it's atmosphere is made of denser gases and that active lightning storms on Venus may also help repel solar wind. That's my guess.

[@jazzthewarden]

Mars has a magnetic field. It's just extremely weak and nowhere near as complex as the Earths or other bodies.

[@orthochronicity6428]

It sounds like Venus doesn't have a magnetic field produced from a geodynamo (like us), but rather a weaker magnetic field resulting from charged particle interactions between its ionosphere and the solar wind. It's apparently strong enough to provide some protection from the solar wind stripping its atmosphere off.

[@numb3r663]

Venus is a captured comet that pulled away Mars atmosphere as it passed...Prof James McCanney has written books on the subject for 40 years but main stream science isnt smart enough to digest the info.

[@kevindiver6327]

@@numb3r663 velokovsky wrote a book about that 70 years ago worlds in collision

[@scrapgrace]

1:01

[@MegaSkills9]

183 documented reversals in the past 83 million years (see comment below) of the magnetic pole flipping. They can see it in rocks from different time periods. This is a scientific fact. It's not a debatable issue like some people seem to think.

[@ronaldderooij1774]

Nobody doubts it. But I could be wrong. Many scientific facts are doubted by many idiots/flat eathers/climate change denialers and so on.

[@FredCompusmurf]

Unfortunately the flip occurs every 12000 years so there have been many more reversals than documented. (More info can be found in a playlist called prove on my channel.)

[@MegaSkills9]

@j carlton What did you notice specifically?

[@MegaSkills9]

@j carlton Nothing can take the stars out of the sky. Obviously clouds or dense fog can obscure them.

[@MegaSkills9]

@j carlton There have been 183 documented reversals in the past 83 million years. There are also thousands of short term and temporary reversals. I witnessed one in the late 80's when a huge CME (Coronal mass ejection) from the sun hit Earth and overwhelmed our magnetic field. I watched (With my own eyes) as my compass pointed SOUTH for 11 minutes. (Instead of North.)

[@IamJacksColon4]

love the Hoth sound at 2:08

[@Tenshan]

This was the most fabulous animation of an asteroid hitting the Earth I have ever seen

[@RonJohn63]

0:51 Warms the cockles of Geordi La Forge's heart.

[@johnbouttell5827]

According to the Finnish Tourist Board, Rovaniemi is the Official Hometown of Santa Claus in Lapland.

[@deathonawhitehorse]

I use the compass app on my phone. I tried it once to plot a walk through the woods to the local pond, it took me to the opposite end of the woods LOL My Suunto compass worked better though :)

[@flamencoprof]

"It's a very complicated field." I see what you did there.

[@danielbast352]

Your map the points out magnetic north is very very far off.... the magnetic pole is currently crossing the North Atlantic ridge... the south magnetic pole is no longer on the Antarctic continent . The north continuing its travels SW at approximately 5 miles a month. It’s a win for pole shift..

[@erictaylor5462]

This is a big deal in aviation as well. But of course deflection makes a bigger difference.Of course hiking you'll be doing well to go 25 miles in a day. Flying you can go 250 miles in just 30 minutes.

[@postbodzapism]

Does the moon have a magnetic field?

[@jursamaj]

It's not true *all* speakers have magnets, altho a large majority do. There *are* electrostatic speakers.

[@Wanderers-Bulgaria]

I didn't understand the difference between geomagnetic and magnetic poles 🤔. I'll google it

[@ragnkja]

Lucie Green would be a great scientist to interview if you want to make a video about the sun’s magnetic field.

[@kajbyman3006]

One correction..Santa do not live at North Pole..He lives in Finland...😀

[@mendel7575]

Wow! A changing magnetic field would certainly affect the global climate!

[@xway2]

not necessarily

[@FredCompusmurf]

👍 yes it does and when it reverses, it's game over!

[@ruipaulovigario1115]

Great video. I was left with a doubt, though: why isn't the magnetic pole coincident with the geomagnetic pole? and why are they so far apart? Instead, it seems the geomagnetic poles should locally generate a locally vertical field, right?

[@rajat0610]

Where does the seed magnetic field come from?

[@False798]

It could have come from any source that created even the tiniest of electrical currents or electromagnetic fields; the magnetic field would induce a difference in voltage in the Earth between two points, cause current to flow and a new electromagnetic field generated which would feed more induction, more current paths until you have a self-exciting planetary magnetic field - but that is just my opinion.

[@rajat0610]

@@False798 Sounds interesting!

[@alejandroosorio8232]

Bangui Magnetic Anomaly = Tycho Magnetic Anomaly ?

[@oldinion]

2:35 LIES! Santa lives in Korvatunturi in northern Finland, not the north pole. That's just American propaganda.

[@kolloKkoistinen]

I was just to make that same point.

[@CircaSriYak]

No you dunce he lives in Svalbard

[@kolloKkoistinen]

@@CircaSriYak show me some evidence. We have a lot of photos.

[@SteveWhetstone-UXDesigner]

I think the magnetic field flips when the inner core of earth rotates faster or slower than the outer crust. Lorentz forces on the earths crust and core cause the rotation rate changes when ratio of electrons and protons change from pole to pole. The Global Electric Circuit inside the earth has electrons from solar wind entering north pole more than south pole and causing a net current flow of electrons from north to south causing the lorentz force to speed up the core of earth or slow the core of earth down more than the crust. The difference RPM between speed of crust and core causes organized vortex in the liquid conducting matter between the core and the shell of earth. IMO 2 AFAIK.

[@briankerr4512]

maybe the magnet field is induced by the solar electric field.

[@ericdaniello5659]

Wakanda confirmed

[@c28baby]

So, what I take from this video is that the Earth's magnetic fields are Imperial probe droids.

[@NefariousKoel]

They're looking for our planetary shield generators.

[@sakadabara]

Electronic Arts Jedi Knights

[@NefariousKoel]

@@sakadabara Nah. The imperial probe droid in Empire Strikes Back, to be precise.

[@singingtallit583]

I’m surprised they didn’t self destruct as soon as they were located

[@Triantalex]

??

[@ian6083]

This is an amazing video. Thank you so much!

[@zapfanzapfan]

"Where Santa lives"... you forgot to include Superman ;-)

[@its1110]

Has anyone ever seen Santa and Superman together? Well!! "S"! It's the "S", people!

[@phonkey]

Superman is not real though.

[@loge10]

Superman doesn't actually live there. He just has a place to get away-from us when we drive him crazy...

[@freejuice612]

It moves, how complicated can it be

[@Melthornal]

My physics professor studies the earth's magnetic field. He makes these gigantic models of earth with salt water ice and measures how the core changes and moves over time. I found it very interesting.

[@badpexalpha2873]

Iron loses its magnetism at 1500°F what does your maths say to that

[@crackedemerald4930]

It's a time of big stress for old-school sailors

[@gonecoastal4]

Yeah, 'm glad I got of the USCG before the Emergency update of the variation. Changing all the Navigation standards and chart work would be a monstrous feat.

[@kevenskilatonyius2178]

Does the Auroras NORTH and South . Show the Magnetic Poles movement . As the Earth rotates . ?

[@maxchill308]

And when everything else fails, follow the birds.

[@michaelsnodgrass9415]

And the sun the moon And the stars.

[@timharig]

Which just leads you to a field full of amorous birds.

[@kevenskilatonyius2178]

water your Christmas Cactus its saying ! Why are the winds . Blowing different direction North and South Hemispheres ?

[@ro_yo_mi]

I feel slighted. On one hand, this video was 20 minutes, but on the other Meghan's conversational style made it go by too fast.

[@robertogarcia6901]

What is the seed magnetic field? Sorry!

[@DamianReloaded]

8:30 Wakanda!

[@khilorn]

Damian Reloaded dude your right

[@AlexKnauth]

I think Wakanda is further east than that

[@pyrokinetikrlz]

I thought about the same, but you beat me to it

[@Blooming_Bee_Yoga]

And here we have science at it's best guessing as usual.

[@keepmoving1185]

I think they underestimate the danger of a pole shift.

[@matthewpeterson5159]

Reminded me of the movie "The Core". Interesting thought experiment for sure.

[@PTNLemay]

So England gets GMT, and they get a near zero deviation to point at true north. Unfair.

[@aknopf8173]

Think about the weather, though.

[@cockbeard]

We did invent the earth

[@turnapaigedrake]

“Dimonds”

[@adamlatosinski5475]

It's not true there's nothing you can do to keep the magnetic north pole. You can invade Siberia.

[@ChrisMinorOfficial]

lol is there any reason to think its dangerous? haha come on guys - we know it is

[@slartibartfast336]

1:28 - argh, topoGRAPHical, not topoLOGical.... :(

[@Bacnow]

Nerd!

[@xCorvus7x]

1:28 is a better time stamp.

[@slartibartfast336]

@@xCorvus7x - yep, fixed!

[@roxanneabbott8424]

This may seem like a strange question and a conspiracy...I have seen people after having the vaccine being able to put a magnet to that injection and it holding. So what if we become great magnets all over the world, could all these shift the magnetic polarization ?? I told you this is going to be a strange question, lol!!!

[@bdf2718]

The Bangui anomaly is the location of the west magnetic pole. Watch the flerfers pick up that idea and incorporate it into their domed pizza model of the planet.

[@bdf2718]

@Michael Freed On their model there is *only* a north pole. I wonder how that works, magnetically. Oh, I forgot, magnetism is caused by buoyancy. Or is it air pressure? Something like that.

[@yg-hf2pv]

There is no magnetic field no life please tell to your colleagues in NASA not to play with it

[@lordgarion514]

27 flat Earthers couldn't handle this.

[@chrisgin9576]

6,891st like at 2:30 EST 4/3/21

[@jackburton5085]

!WARNING! Whenever we talk about "Magnetic Fields" somewhere on the globe, a flat earther, dies ... Now....let's talk about Magnetic Fields.

[@ghazanfarali3285]

Great Contribution!!!