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  #331  
Old 06-14-2018, 10:17 PM
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Quote:
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In order to decipher why we see what we see in a ferrocell I am starting a series of quiz questions.

You are welcome to contribute with your explanations. The winner coming with the best explanation will win a one night stand with the Mother****er previously presented in this thread here.

Quiz Question 1:

Why a ring magnet under the ferrocell does not show a field inside (pole view) fig.1 ring magnet under the ferrocell?
[/IMG]

thats not true, ive got TOOOOOONS of images of a ring magnet UNDER the ferrocell shows the field INSIDE the ring.

https://www.instagram.com/p/BjRAO6xF...ryphotographer

such as<<<

https://www.flickr.com/photos/134746...in/dateposted/







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  #332  
Old 06-14-2018, 10:45 PM
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are you using a side lit or under lit ferrocell ?
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  #333  
Old 06-14-2018, 10:48 PM
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side lid Brian
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  #334  
Old 06-15-2018, 06:22 AM
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The nerd rage making paramagnetic fluid
https://youtu.be/MUKFaxy-z7s
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  #335  
Old 06-15-2018, 10:21 AM
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The Answer to Quiz 1

Bravo!! mikroVolt!

You correctly have answered the Quiz question 1!!

Please contact me to make arrangements for your PRIZE!


The answer to this Quiz:



Stack of ring ferrites bellow the neodymium ring...thats a strong mother****er!
The *ASS***hole is opened wide open so you just see the void and not the hole's rim


EM
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  #336  
Old 06-16-2018, 10:59 AM
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Ferrocell Quiz Question no. 2

In Brian's amazing video here:



We can can see the torus field of the loudspeaker (pole view) on its entirety and confined without spreading out in space as we have with cube magnets, disk magnets, cylindrical magnets and other shapes (when in contact with the ferrocell) except the ring magnet.

Why is that?

Why we can see the same field in the loudspeaker as we see in a ring magnet on Brian's demonstration?

EM
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  #337  
Old 06-16-2018, 02:11 PM
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Quote:
Originally Posted by Markoul View Post
In Brian's amazing video here:



We can can see the torus field of the loudspeaker (pole view) on its entirety and confined without spreading out in space as we have with cube magnets, disk magnets, cylindrical magnets and other shapes (when in contact with the ferrocell) except the ring magnet.

Why is that?

Why we can see the same field in the loudspeaker as we see in a ring magnet on Brian's demonstration?

EM
You answered your own question. Confined is the key word here. The steel pole in the center of the magnet is where the voice coil is normally located.
There is a millimeter gap between the magnet and steel pole.
It's called a focused gap, and designed to maximize the field for activating the voice coil.
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  #338  
Old 06-16-2018, 02:27 PM
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Bloch axis is not a force line (read description of video)




Bloch axis is not a force line as I mistakenly mention inside my video but actually a void separating the two polar toroidal vortices at either side of a magnet meeting at the middle of the magnet where the domain wall is located.

Again it is not exactly a wall but a void isolating the one polar field from other.

You can clearly see in the video and the above thumbnail, the two polar fields are not in contact with each other but separated and their force lines (flux) are diverging from each other. It is not a joining point but a barrier.

EM
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  #339  
Old 06-16-2018, 02:31 PM
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Quote:
Originally Posted by dyetalon View Post
You answered your own question. Confined is the key word here. The steel pole in the center of the magnet is where the voice coil is normally located.
There is a millimeter gap between the magnet and steel pole.
It's called a focused gap, and designed to maximize the field for activating the voice coil.


No, that is not the correct answer


... the cap shielding may help but is not the definitive cause.
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  #340  
Old 06-16-2018, 03:11 PM
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Both Polar fields of a magnet shown by the Ferrocell (ferrolens) simultaneously

Both Polar fields of a magnet shown by the Ferrocell (ferrolens) simultaneously




There are no any reciprocating lines from one pole to the other. It is just the fact that ferrolens is totally transparent to magnetism and picks up both of the two polar fields of a magnet at the same time and space.


Both fields poles of the two poles of the cube magnet are magnetically projected onto the ferrocell surface as one holographic overlapping image of the two fields on the poles.

Whenever second lighting is turned on you can see the first set of lines belonging to the top pole overlapping and on top of the second set of lines belonging to the other pole of the magnet the bottom pole.


EM
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  #341  
Old 06-16-2018, 03:36 PM
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My magnet is getting "Blue Balls" !

My magnet is getting "Blue Balls" !

https://www.urbandictionary.com/defi...m=Blue%20Balls







A closer look at the magnet side field view.

Concentrating on the two black polar holes but this time with the help of a second LED light strip 1.5 cm below the first one placed on the rim of the ferrocell.

When we turn on the second light strip we see a blueish - purple rim on each polar hole which we could not previously see...watch!


EM
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  #342  
Old 06-16-2018, 03:40 PM
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Answer the F*CK*NG Quiz QUESTION?

common guys you can do better than that?!


about the Ferrocell (ferrolens)


EM
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  #343  
Old 06-16-2018, 04:28 PM
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No, that is not the correct answer


... the cap shielding may help but is not the definitive cause.
Go back and double check your references. Especially speaker design.
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  #344  
Old 06-16-2018, 04:44 PM
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A more detailed explanation and answer of the Ferrocell Quiz no. 2 and a proposal

Quote:
Originally Posted by Markoul View Post
In Brian's amazing video here:



We can can see the torus field of the loudspeaker (pole view) on its entirety and confined without spreading out in space as we have with cube magnets, disk magnets, cylindrical magnets and other shapes (when in contact with the ferrocell) except the ring magnet.

Why is that?

Why we can see the same field in the loudspeaker as we see in a ring magnet on Brian's demonstration?

EM
UPDATED ANSWER
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A more detailed explanation and answer of the Ferrocell Quiz no. 2 and a proposal for better ferrocell viewing of magnetic fields

Magnetic fields are holographic and fractal in nature. The same magnetic pattern repeats over and over in space, like an onion until it fills all the 3D space up to the radius of influence of the magnet. The field shows up in the ferrocell wherever there is light. The field shows in its entirety like a torus inside the ring because it is magnetically confined inside the ring magnet's inner hole surface. At the same time the outer ring surface of the magnet emanates in space the same field geometrical pattern as the inner ring but because it is not magnetically confined the field spreads out all the way up to the LED strip.

If you could put a ring magnet inside a larger ring magnet at the center without the two magnets in contact you would propably see the same pattern repeat or as a single large torus, you should propably experiment that one . This should actually work with any shape of magnet. Put for example a disk (no hole at the center) magnet inside a larger ring magnet without these two in contact. The field inside should be confined and show up like a single torus. You also could use instead of large ring magnet to confine the field, Mumetal casing to put inside a magnet under observation (i.e. use a loudspeaker magnet metal casing its made out of mumetal) but be careful your magnet strength not to exceed the saturation level of the mumetal which is 760 mT otherwise the field will again leak out.

Answer to the Quiz question no.2:

We can see the torus field on its entirety in the ferrocell because loudspeaker magnets are actually ring magnets. So you actually see the inner field of a ring magnet! Additionally, the field is further confined by the loudspeaker Mumetal casing.



Fig.1

Note: Of course you have to put also a lid on top with the magnet inside centered and then place the whole thing under the ferrocell, a sensitive ferrocell would still pickup the field inside but it will show up more confined and therefore geometry of the field will be more clearly demonstrated by the ferrocell I believe.

Mumetal magnetic shielding info:

Magnetic Shielding | How Does It Work?


Proposed addition (more like an accessory) to the ferrocell for more confined field views:

Use a large loudspeaker magnet (ring magnet without metal casing). Put the loudspeaker magnet at the perimeter of the ferrocell before the LED light strip to confine the magnetic fields of magnets put at the center of the ferrocell.

or,

Put the magnets under observation, inside a Mumental case fig.1 for magnetic shielding and confinement... cup must be painted black.


I propose everyone experiment with the above proposed... and BTW did anyone tried before to show the field with a ring magnet inside a ring magnet? This would be hard because repulsion, magnets must be forced to. Maybe it would be better to use instead two ring magnets, a larger and and smaller fit together, with radial and not axial or diagonal magnetized ring magnets, although i know is very hard to get these m**therf*ckers...

Radial Oriented Ring Magnets China Manufacturer


EM

p.s. Now where i think of it... just put the ferrocell with the light LED strip, on top of the open cup of Fig.1 above.

As long as diameter of ferrocell is larger than this of the shielding cup, it should work fine!
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  #345  
Old 06-16-2018, 07:11 PM
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Now where i think of it... just put the ferrocell with the light LED strip, on top of the open cup pf Fig.1 above.

As long as diameter of ferrocell is larger than this of the shielding cup, it should work fine!

EM

I name my proposed modification to the ferrocell...

not a supercell but a MARKOULOCELL!...HAHAHAHAHA!
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  #346  
Old 06-20-2018, 03:24 PM
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Ken on Dielectric-Magneto conjugate field

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  #347  
Old 06-20-2018, 03:59 PM
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First time ever - Complete torus field seen of the pole of a cube magnet

First time ever - Complete torus field seen of the pole of a cube magnet


part 1:

part 2:

I have magnetically confined a small neodymium cube magnet at the center of a ferrite magnet under a ferrolens.

Complete torus field of the cube magnet pole emerges.

I am using a 6mm - 2 mm thick (i put the magnets under the 6mm thick glass), two optical glass disks demonstration ferrocell so ferrite ring magnet field is too weak to show up in the ferrolens and only the field of the much stronger neodymium cube magnet shows.

This video proves all dipole magnets have the same field geometry on their poles, namely a torus, independent physical shape of magnet.

Except the inner ring magnet field all other magnets extend their poles field on a ferrolens all the way up to the LED light strip of the ferrocell. However with this trick I have confined the field so it can curl as it would do in free space and show up in its complete geometrical shape on the ferrolens.

I used in addition a iron cup under the ferrolens for further magnetic confinement.


copyrightŠEmm Markoulakis TEI of Crete 2018
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  #348  
Old 06-20-2018, 04:17 PM
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Enormous holographic depth of field shown by magnetically confined ferrolens




Pole view of the field of a cube magnet.

Notice the holographic depth of the field shown as I zoom in and out.

Specially at the the end of the video we can see the spiraling effect of the highlighted flux lines into the pole (black hole).

An iron cup (Rio Mare Tuna can) was used to under the ferrolens to magnetically confine the field for increased holographic depth of field effect.

This time I didn't use a ring magnet to confine the field but only the tuna can.

copyrightŠEmm Markoulakis TEI of Crete 2018
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  #349  
Old 06-21-2018, 12:36 PM
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Very important question concerning the ferrocell operation for Mike Palazolla

Very important question concerning the ferrocell operation only Mike Palazolla
can answer with his microscope!


Dear Mike,


if it is not much trouble for you, this is very important.

Specially for the field light lines on the Bloch domain wall (side view of magnet)

and for the lines on the poles (side view of magnet).

Do the nanoparticle chains forming, align (in parallel) with these light lines we observe on the ferrocell ? Or are the chains oriented perpendicular to these light lines we observe on the ferrocell?

This is the ultimate experiment for proving once and for all that the lines we see in the ferrocell are the actual flux or else called force lines of the magnetic field we observe with the ferrocell and also proves the torus field geometry observed with the ferrocell in contrast to the iron filings experiment.

In order the above to be true, case (a) of the following fig.1 must be the correct:



fig.1

Kind Regards,

EM
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  #350  
Old 06-21-2018, 02:30 PM
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Quote:
Originally Posted by Markoul View Post
Very important question concerning the ferrocell operation only Mike Palazolla
can answer with his microscope!


Dear Mike,


if it is not much trouble for you, this is very important.

Specially for the field light lines on the Bloch domain wall (side view of magnet)

and for the lines on the poles (side view of magnet).

Do the nanoparticle chains forming, align (in parallel) with these light lines we observe on the ferrocell ? Or are the chains oriented perpendicular to these light lines we observe on the ferrocell?

This is the ultimate experiment for proving once and for all that the lines we see in the ferrocell are the actual flux or else called force lines of the magnetic field we observe with the ferrocell and also proves the torus field geometry observed with the ferrocell in contrast to the iron filings experiment.

In order the above to be true, case (a) of the following fig.1 must be the correct:



fig.1

Kind Regards,

EM
My tests and observations have shown 'A' to be correct.
They align parallel to the applied field, but can 'migrate' in clusters depending on the direction of the Lorentz force.
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  #351  
Old 06-21-2018, 02:52 PM
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My tests and observations have shown 'A' to be correct.
They align parallel to the applied field, but can 'migrate' in clusters depending on the direction of the Lorentz force.
Thank you Timm for you confirmation didn't know you had an optical microscope.

Then there is nothing else left essentially to prove.

Ferrocell is picking up a magnetic field and translating it 100% accordingly to light information. The light pattern matches 100% the magnetic field pattern and is projected holographically in a 2D surface.

The ferrocell is showing the flux of a magnetic field on its purest undisturbed form due the superparamagnetic single domain properties of the Fe3O4 nanoparticles thus the Quantum field of a magnet with all its details at the Bloch region.

Iron fillings imprint of magnetic field is an interference pattern of the iron filings with a magnet and therefore can not be considered as revealing the true geometry of a magnetic field and only show how ferromagnetic materials interact with the field of a magnet but not the magnetic field itself.

The torus field geometry for magnetic dipoles shown in the ferrocell is the correct one and not the shortcircuit one N-S shown by the iron filings.

Mission accomplished.

EM
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  #352  
Old 06-21-2018, 03:45 PM
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A720 Migration to Donut Magnet 001-small.jpg
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Thank you Timm for you confirmation didn't know you had an optical microscope.

Then there is nothing else left essentially to prove.

Ferrocell is picking up a magnetic field and translating it 100% accordingly to light information. The light pattern matches 100% the magnetic field pattern and is projected holographically in a 2D surface.

The ferrocell is showing the flux of a magnetic field on its purest undisturbed form due the superparamagnetic single domain properties of the Fe3O4 nanoparticles thus the Quantum field of a magnet with all its details at the Bloch region.

Iron fillings imprint of magnetic field is an interference pattern of the iron filings with a magnet and therefore can not be considered as revealing the true geometry of a magnetic field and only show how ferromagnetic materials interact with the field of a magnet but not the magnetic field itself.

The torus field geometry for magnetic dipoles shown in the ferrocell is the correct one and not the shortcircuit one N-S shown by the iron filings.

Mission accomplished.

EM
We did extensive examinations using microscopes back in 2007-8. I have hundreds of images and many movies of particle chaining and their motion.
Too bad my research partner died in 2008, or he would have continued taking great images like this one:


here's a hi-res image: http://www.ferrocell.us/images/A720%...gnet%20001.jpg
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  #353  
Old 06-21-2018, 07:57 PM
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Circles of Apollonius

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Originally Posted by Markoul View Post
Interesting vid. I assume the image on the left is like this (b, lower) although I never got a good look at it.


From: https://www.safaribooksonline.com/li...level1_1.xhtml

Also see: Circles of Apollonius… and magnetism! | Mathematical Gemstones

Ken discussed the pattern at length and says he'd have it tattooed if, you know, he had more surface area. He doesn't really get into the fact that his two images, of similar patterns, result from different causes. Obviously the image on the right side of his screen is a ferrocell stimulated by a PM. I'd really like to see what the ferrocell image would be resulting from a current carrying conductor (or pair of conductors) passing through the ferrocell perpendicularly. Like this.



Or this.



So I realize nobody is going to punch a hole in their cell to run the wire(s). But Michael had a cell with a one inch hole in the center. And there was a video posted here of two rectangular cells used to provide a slot in the middle for pass thru of a PM. Something like that would suffice, I think.

While researching the subject, I found this.



From: https://www.researchgate.net/figure/...fig1_252063502

You can download the article. It was very interesting to me. They use Fe-oxide superparamagnetic nanoparticles in fluid which appears similar to ferrofluid in the cells. Also of possible interest to others on this board is the use of micro Tesla coils.

Regards,

bi
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File Type: jpg mag-strt-wire-diag.jpg (34.3 KB, 18 views)
File Type: png Magnetic-field-2-wire.png (40.1 KB, 18 views)
File Type: png Schematic-representation-of-the-attractive-and-repulsive-forces-setup-a-Two-wires.png (570.8 KB, 19 views)
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  #354  
Old 06-21-2018, 08:35 PM
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Quote:
Originally Posted by bistander View Post
Interesting vid. I assume the image on the left is like this (b, lower) although I never got a good look at it.


From: https://www.safaribooksonline.com/li...level1_1.xhtml

Also see: Circles of Apollonius… and magnetism! | Mathematical Gemstones

Ken discussed the pattern at length and says he'd have it tattooed if, you know, he had more surface area. He doesn't really get into the fact that his two images, of similar patterns, result from different causes. Obviously the image on the right side of his screen is a ferrocell stimulated by a PM. I'd really like to see what the ferrocell image would be resulting from a current carrying conductor (or pair of conductors) passing through the ferrocell perpendicularly. Like this.



Or this.



So I realize nobody is going to punch a hole in their cell to run the wire(s). But Michael had a cell with a one inch hole in the center. And there was a video posted here of two rectangular cells used to provide a slot in the middle for pass thru of a PM. Something like that would suffice, I think.

While researching the subject, I found this.



From: https://www.researchgate.net/figure/...g1_252063502Dr

You can download the article. It was very interesting to me. They use Fe-oxide superparamagnetic nanoparticles in fluid which appears similar to ferrofluid in the cells. Also of possible interest to others on this board is the use of micro Tesla coils.

Regards,

bi
The link doesn't work.

I have some glass with 1" hole in the center. They are left over from when I made that cell for Michael Snyder. I could build another cell with a couple disks, but these are the most difficult cells to make! Sealing the outer and inner edges are a *****.

Using a couple of rectangular cells would be much easier, but not the same. You are correct in the way the field looks in a hollow-center cell, the lines appear exactly where you expect them to be.
If he used two magnets, you would see the same image as Ken's- (the power line view).

Here's one of Michaels pix of a magnetic pole in the center of a hollow-center cell. There is a black cloth wrapped around the magnet and stuffed into the hole.



The coils you show on top of the magnets have their fields oriented in the same direction as the magnets. And, the fluid you describe is definitely ferrofluid.
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  #355  
Old 06-21-2018, 09:03 PM
bistander bistander is online now
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Link fixed

You need to click from the linked page to get the full article. It's not too long or deep into math.

I just don't see anything done with EM (electromagnetism) and ferrocells.

bi
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Old 06-21-2018, 09:19 PM
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You need to click from the linked page to get the full article. It's not too long or deep into math.

I just don't see anything done with EM (electromagnetism) and ferrocells.

bi
Look at this: https://www.youtube.com/watch?v=XMssut5ik9A

I'm making a 'ring' in the cell with a laser and rotating the ring with electromagnets. Each quadrant is pulsed with a square wave 90 deg apart.

Margoul has modulated a Ferrocell with his low frequency transmitter (RF) which is a form of EM.

https://www.sciencedirect.com/scienc...194?via%3Dihub

My new generation Ferrofluid mixture is sensitive enough to respond to very weak magnetic fields. This makes electromagnetic experiments much easier to do now. Thick glass is no longer a problem. A pencil wrapped with enameled wire should generate a strong enough field to see in these new cells.
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Old 06-21-2018, 11:16 PM
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Markoul Markoul is offline
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Quote:
Margoul has modulated a Ferrocell with his low frequency transmitter (RF) which is a form of EM.
That's right, although ferrofluid does not respond to electric fields since it is an electric current insulator.

However, under a very strong electric field it can be ionized and an ion current can flow. On the surface of the ferrocell my pulsing electric field from the RF antenna rod (telescopic antenna) was 450KV/m therefore the ferrocell in my experiment was showing besides the magnetic field also ion current flow at the Bloch region (black strip) of the field thus it was showing the EM field and not just the magnetic field part of the the transmitted radio signal.

EM inside an antenna rod or for that matter any electric cable is essentially a coaxial field. On the video of my experiment below you observe the magnetic field (red halo) of the antenna rod with its Bloch region (black strip at the middle) in a small segment of the antenna rod. In reality the field is extending all the way along the length of the antenna rod conductor. Ion current produced is the ripple effect observed on the dielectric plane of the the field namely the Bloch region (black strip):



https://www.sciencedirect.com/scienc...04885317319194

EM

p.s. The radio signal feed into the antenna is a RF pulsing field (On-Off). My next phase of research was to use a professional high-speed camera (60,000 fps) to record the on-off transitions of the field. They are there but you can not see them because the frequency is too high for the eye to catch so you see a constant red halo present. In reality this red halo switches rapidly on and off. Unfortunately, the camera costs about 50,000 US dollars and I am not under a grand or other founding and can not purchase it. So my investigation has stopped on that matter.
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Last edited by Markoul; Yesterday at 11:21 AM.
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Old Yesterday, 11:25 AM
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Brian showing complete torus field of combined cube with ring magnet



Very genius what he has done here. The cube magnet on top of the ring magnet "sucks" out the inner field of the ring magnet but at the same time magnetically confines the outer ring field so it culrs before it reaches the LED strip and therefore we can see the complete torus field of both cube and outer ring combined on the ferrocell.

Excellent!
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