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garhkal
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Joined: 17 Jul 2005
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Location: Reynoldsburg, Columbus, Ohio.
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 Posted: Fri Mar 11, 2011 5:45 am Post subject: |
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True.. Heck make it powerful enough and you affect the natural Iron in peoples bodies.
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Esoomian
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| Posted: Fri Mar 11, 2011 5:53 pm Post subject: |
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But again not all alien species will have iron in their bodies.
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garhkal
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| Posted: Sat Mar 12, 2011 3:50 am Post subject: |
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True dat.. they may have copper which is still magnetic.. 8)
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Esoomian
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| Posted: Sat Mar 12, 2011 3:11 pm Post subject: |
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Well according to wikipedia
| Wikipedia wrote: | The overall magnetic behavior of a material can vary widely, depending on the structure of the material, particularly on its electron configuration. Several forms of magnetic behavior have been observed in different materials, including:
Ferromagnetic and ferrimagnetic materials are the ones normally thought of as magnetic; they are attracted to a magnet strongly enough that the attraction can be felt. These materials are the only ones that can retain magnetization and become magnets; a common example is a traditional refrigerator magnet. Ferrimagnetic materials, which include ferrites and the oldest magnetic materials magnetite and lodestone, are similar to but weaker than ferromagnetics. The difference between ferro- and ferrimagnetic materials is related to their microscopic structure.
Paramagnetic substances, such as platinum, aluminium, and oxygen, are weakly attracted to a magnet. This effect is hundreds of thousands of times weaker than the attraction of ferromagnetic materials, so it can only be detected by using sensitive instruments or using extremely strong magnets. Magnetic ferrofluids, although they are made of tiny ferromagnetic particles suspended in liquid, are sometimes considered paramagnetic since they cannot be magnetized.
Diamagnetic means repelled by both poles. Compared to paramagnetic and ferromagnetic substances, diamagnetic substances, such as carbon, copper, water, and plastic, are even more weakly repelled by a magnet. The permeability of diamagnetic materials is less than the permeability of a vacuum. All substances not possessing one of the other types of magnetism are diamagnetic; this includes most substances. Although force on a diamagnetic object from an ordinary magnet is far too weak to be felt, using extremely strong superconducting magnets, diamagnetic objects such as pieces of lead and even mice can be levitated, so they float in mid-air. Superconductors repel magnetic fields from their interior and are strongly diamagnetic. |
It seems copper is repelled by magnets but not to a degree that should have an influence given the likely quantities of copper in a body and the massive power requirements for a magnet powerful enough to have an influence on a being.
All in all the idea seems like a player could make an argument as to why their character could be unaffected or at least not affected in the way you're wanting.
Why not just use repulsorlift technology instead? It has the bonus of not being based on existing scientific principals so it just works the way you say it does.
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Fallon Kell
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Joined: 07 Mar 2011
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Location: Tacoma, WA
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| Posted: Sat Mar 12, 2011 10:23 pm Post subject: |
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Be careful with using repulsorlifts, though. If your players have access to Wookiepedia they may make a big deal out of a line that says "Repulsorlifts only worked within a gravity well, as the technology required mass to push against." You can also use artificial gravity at an angle or maybe miniaturized tractor beams. If that doesn't fly, start using combinations of such.
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garhkal
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| Posted: Sun Mar 13, 2011 7:08 am Post subject: |
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I've done that before with repulsor pad floors and a ceiling mounted magnet, to snag those wearing heavy armor!
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Esoomian
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| Posted: Sun Mar 13, 2011 11:56 am Post subject: |
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Best to use some form of adhesive rather than a magnet so the scientifically minded players won't be able to argue about non-ferrous metals. Plus when they finally do get free they'll be all sticky and the joints may even be gummed up. 
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Fallon Kell
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| Posted: Tue Mar 15, 2011 12:02 am Post subject: |
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Could just avoid the technical explanation all together.
GM: You've walked into an "up" field.
Player: What's that mean?
GM: Up you go!
Also, unless someone has a way to identify invisible energy fields, you can just say "An invisible force sucks you down the side corridor!"
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Esoomian
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| Posted: Tue Mar 15, 2011 12:06 am Post subject: |
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As a GM I'd like to at least name it because that way the players might think about it and try to figure out how they might avoid a similar fate next time.
Invisible force smacks of unavoidable plot device... Although there is precedent for that sort of thing in a Star Wars setting 
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Fallon Kell
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| Posted: Tue Mar 15, 2011 12:33 am Post subject: |
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| Esoomian wrote: |
Invisible force smacks of unavoidable plot device... Although there is precedent for that sort of thing in a Star Wars setting |
Are we now speaking of "I've killed him! What have I done!?! I'll do anything you say."? 
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Esoomian
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| Posted: Tue Mar 15, 2011 1:28 am Post subject: |
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Well I was obliquely reffering to The Force itself being an invisible energy field that shapes people's destinies but your example works too and it's much more specific.
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garhkal
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| Posted: Wed Mar 16, 2011 5:38 am Post subject: |
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I have used that trap one module before, but rather than a ceiling magnet, it was one of those scrap yard graple holder things..
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Fallon Kell
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| Posted: Wed Mar 16, 2011 9:14 am Post subject: |
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Personally, I have always wanted too get stuck to one of those...
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jmanski
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| Posted: Wed Mar 16, 2011 4:40 pm Post subject: |
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Dustflier
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Joined: 21 Feb 2011
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Location: Upstate New York
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| Posted: Thu Mar 17, 2011 1:34 am Post subject: |
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The view from a scrapyard magnet must be amazing...
"Hey look, rusted metal! And over there... more rusted metal! Oooh... I found an old beat up car. Rust colored!"
Also, you could always have the trapped character's limb or equipment frozen in a sheet of ice without the cold temperatures causing said limb to become horribly, incurably frostbitten or equipment malfunction. So long as Luke Sky-*cough* I mean the PC *cough* doesn't have his fancy magic little light sword, it would be pretty tough to get out of.
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