Question about magnetic shielding

In summary, the conversation discusses the possibility of using repulsing magnets and a piece of metal to create a perpetual motion machine or "magnetic motor." However, this topic is considered pseudoscience and is not allowed on the forum.
  • #1
alodia
15
0
so i understand that if there's a piece of metal between 2 repulsing magnets, the magnets attract to the metal as well, and the repulsion could cancel out the attraction... right? i mean is this even true.
if not why not...

if it is true, then is it possible to have 2 wheels of repulsing magnets drive itself based on the attraction of the magnet to the piece of metal and the repulsion on the other magnet wheel...
why or why not...

i know I'm like thermodynamically ignorant.. so please educate me...
thanks.
 
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  • #2
Thread closed.

alodia -- we do not discuss perpetual motion machines (PMMs or "magnetic motors") here on the PF. They are on the list of Forbidden Topics in the PF Rules (see Site Info at the top of the page).

PF Forbidden Topics said:
Pseudoscience, such as (but not limited to):
Perpetual motion and "free energy" discussions
http://wiki.4hv.org/index.php/Free_Energy_Debunking
http://en.wikipedia.org/wiki/Perpetual_motion
http://www.skepdic.com/freeenergy.html
http://www.skepdic.com/perpetual.html
 

FAQ: Question about magnetic shielding

What is magnetic shielding?

Magnetic shielding is a method used to protect an object or area from the effects of a magnetic field. This can be achieved by using materials with high magnetic permeability, such as iron or nickel, to redirect the magnetic field away from the protected area.

How does magnetic shielding work?

Magnetic shielding works by using a material with high magnetic permeability to create a barrier that redirects the magnetic field. This barrier, also known as a shield, creates an area of lower field strength inside the shielded area, thus protecting the object or area from the effects of the magnetic field.

What are the applications of magnetic shielding?

Magnetic shielding has various applications in different fields. It is commonly used in electronic devices to protect sensitive components from external magnetic fields. It is also used in MRI machines to prevent interference from external magnetic fields. In addition, magnetic shielding is used in research and industrial settings to control and manipulate magnetic fields.

What are the different types of magnetic shielding?

There are three main types of magnetic shielding: ferromagnetic, diamagnetic, and superconducting. Ferromagnetic shielding uses materials with high magnetic permeability to redirect the magnetic field. Diamagnetic shielding uses materials with low magnetic permeability to repel the magnetic field. Superconducting shielding uses superconducting materials to completely eliminate the magnetic field inside the shielded area.

What are the limitations of magnetic shielding?

Magnetic shielding is not 100% effective and has some limitations. It can only protect against static or slowly changing magnetic fields, and it may not be able to shield against very strong magnetic fields. In addition, magnetic shielding is not effective against non-magnetic materials, such as electric fields. Careful consideration and testing are necessary to determine the most suitable type of magnetic shielding for a specific application.

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