Magneto brain zapping

[zorgon]

eta: Note that magnetic fields have no effect on wood, bone, stone or other non ferrous material.

There is a reason that magnets stick to refrigerators and not your skin.

However they use magnetic bracelets for health reasons (not sure how that works0

Is not the iron content of blood a factor here?

[ArMaP]

That is the problem right there, "any conductive material". I don't recall brain matter ever being described as conductive material.

How do neurons work?

is it a superconductor or a crap conductor?

As far as I know there are no known natural superconductors.

[A51Watcher]

How do neurons work?
As far as I know there are no known natural superconductors.

The amount of resistance in tissue would dissipate heat just like a resistor in a circuit. Hardly comparable to copper wire.

The primary concern would be smoke coming out of your head.

See ohms reading here -

http://maglyse.com/pdf/brain-resistivity2.pdf

[space otter]

how does an MRI  fit

awful voice


or
very slow



or short

[A51Watcher]

However they use magnetic bracelets for health reasons (not sure how that works0

Is not the iron content of blood a factor here?

You can force even a steak to be a conductor by hooking up jumper cables to it.

The amount of resistance will insure smoke rising.

Magnetic field interference with with neural pathways would occur long before any appreciable voltage would be produced.

Unless of course you are going the jumper cables route.

 

[ArMaP]

The amount of resistance in tissue would dissipate heat just like a resistor in a circuit. Hardly comparable to copper wire.

A copper wire also dissipates heat, it depends mostly on the current flowing through it.

The primary concern would be smoke coming out of your head.

For that they would need to create a very strong current. As you can see below, when I hold the terminals of a multimeter in my hands a current flows through my body to measure my resistance, and I guarantee you that smoke didn't come out.

See ohms reading here -

http://maglyse.com/pdf/brain-resistivity2.pdf

The highest value I saw on that PDF was 12.89 ?m, less than the resistivity of drinking water.

[ArMaP]

You can force even a steak to be a conductor by hooking up jumper cables to it.

A steak is a conductor, you cannot change the conductivity of a material by using a stronger current, conductivity is a property of the material, some periodic tables show the conductivity of the elements.

[A51Watcher]

A copper wire also dissipates heat, it depends mostly on the current flowing through it.
For that they would need to create a very strong current. As you can see below, when I hold the terminals of a multimeter in my hands a current flows through my body to measure my resistance, and I guarantee you that smoke didn't come out.


The highest value I saw on that PDF was 12.89 ?m, less than the resistivity of drinking water.

Wow your just a regular Uncle Fester there with that meter

[A51Watcher]

So now that we've gone long way round the horn, let's dock in port.

I have yet to see any numbers associated with the alleged voltages created in brain matter by magnetism.

This entire discussion is on whom is the bigger warrior upon neural pathways by magnetic fields, the field itself or twinkles of microvoltage. 

Meat is not a good conductor. That is why it is not used in circuits.

Voltage is just a potential between 2 points. It is not an indication of how much current will actually flow through a circuit.

If you put a light bulb and a steak together in a circuit you will not get much light from the bulb. You will instead get heat dissipated by the steak which is the resistor in this circuit.

Magnetism has a direct effect on current flow from voltage potentials.

Let's take a look at the numbers on magnetic effect on network cabling as an analogy to neural networks.

http://www.siemon.com/uk/white_papers/06-05-01-magnets.asp

Even RF chokes demonstrate magnets direct effect on electrons.

I contend that when in the grip of an electromagnetic field, a twinkling of microvoltage on your potential will not help or harm your neural flow much one way or another.

Add an RF choke and your twinkling noise will be gone. 

[ArMaP]

Wow your just a regular Uncle Fester there with that meter

The meter is running a current through me, I'm not providing energy to the meter.

[ArMaP]

I have yet to see and numbers associated with the alleged voltages created in in brain matter by magnetism.

Not by magnetism itself, by a changing magnetic flux.

This entire discussion is on whom is the bigger warrior upon neural pathways by magnetic fields, the field itself or twinkles of microvoltage. 

I don't understand what you mean by "twinkles of microvoltage".

Meat is not a good conductor. That is why it is not used in circuits.

Even if it was a good conductor I doubt it would be used in circuits, as it has other problems, like decomposing.

Voltage is just a potential between 2 points. It is not an indication of how much current will actually flow through a circuit.

True.

If you put a light bulb and a steak together in a circuit you will not get much light from the bulb.

That depends if you connect the steak and light bulb in parallel or in series.

You will instead get heat dissipated by the steak which is the resistor in this circuit.

No, for that to happen you would need a relatively strong current flowing through the steak, as temperature is directly proportional to the square of the current. As the steak has a high resistance the resulting current will be low.

For example, if you connect a steak with a resistance of 1 M? and a light bulb with a resistance of 30 ? (I measured the resistance of a 40 W, 230 V light bulb) and apply 230 (DC, to make things easier) Volts to it, the current flowing through a serial connection of both objects will be 230/(1000000+30)=0.00023 A. The power running through the objects would be 0.00023²*(1000000+30)=0.05 Watts (if I didn't make any mistake). Too little for any real heating.

Magnetism has a direct effect on current flow from voltage potentials.

Let's take a look at the numbers on magnetic effect on network cabling as an analogy to neural networks.

http://www.siemon.com/uk/white_papers/06-05-01-magnets.asp

That talks about permanent magnets, not about changing magnetic fields. Just look at the conclusions:

According to the several laws of physics presented and discussed here we can conclude that the influence of permanent magnets with network cabling is minimum and is not an issue of concern.

First of all, the influence of a magnetic field is strongly dependent on distance and its intensity is inversely proportional to the square of the distance between the interfered system and the interfering source.

Second, the distribution of magnetic fields in the space around a permanent magnet is very well defined being stronger and concentrated at its North and South poles and weak and divergent elsewhere. So, the position of the interfered element in regards to the magnetic fields produced by the magnet (interfering source) is critical.

Third and most important — in order to have interference between two elements due to a magnetic field it's necessary to have a variable magnetic field in the space where both, victim and source are placed, according to the Faraday's Law. In the case of permanent magnets and network cabling this condition is not met, as there is no variable magnetic field in the space where they are contained; both elements are kept in static and fixed positions after installation of the cabling system.

Even RF chokes demonstrate magnets direct effect on electrons.

An RF choke is a different thing, it's a high impedance at a specific frequency, used as low pass filter.

I contend that when in the grip of an electromagnetic field, a twinkling of microvoltage on your potential will not help or harm your neural flow much one way or another.

I don't understand what you mean with "a twinkling of microvoltage on your potential".
Also, we are talking about changing magnetic fields, not static magnetic fields.

Add an RF choke and your twinkling noise will be gone.

It depends on the frequency of what you call noise. Also, adding an RF choke to a neuron would be a little difficult.

[A51Watcher]

So when are we going to see some numbers on the voltages created?

[ArMaP]

So when are we going to see some numbers on the voltages created?

I couldn't find any, only references to the electric field created, around 100 V/m.

From what I found, it looks like it's not easy to measure the voltage induced because of the presence of the varying magnetic field that creates it and interferes with the measuring systems, whatever they may be.