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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: By the way posted by unclestu on May 8, 2011 at 21:05:09:
you never gave an answer to my query as to what constitutes virtually nil, your words in regards to magnetism.
With regard to paramagnetic and diamagnetic materials and residual magnetization, there is no "virtually nill." It's ZERO. Paramagnetic and diamagnetic materials don't retain any residual magnetization.
The "virtually nil" comment had to do with the magnetization of paramagnetic and diamagnetic materials in the presence of a magnetic field.
Also that regards please explain now the Meissner effect can levitate a live non magnetic frog. Or perhaps it is all a conspiracy.....
No, it's not a conspiracy.
But do you have any idea how strong the magnetic field is inside that tube that's levitating that little frog that probably doesn't weigh more than a gram?
Try 100,000 Gauss.
To give this a sense of scale, the magnetic field inside an MRI is between 15,000 and 30,000 Gauss.
So you're looking at three to six times that just to levitate a tiny little frog.
That's because diamagnetism is VERY WEAK. Even in the most diamagnetic materials such as bismuth.
se
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Follow Ups
- RE: By the way - Steve Eddy 05/8/1122:08:37 05/8/11 (7)
- You still - unclestu 12:59:03 05/9/11 (6)
- RE: You still - Æ 23:58:06 05/9/11 (0)
- RE: You still - Steve Eddy 15:15:59 05/9/11 (4)
- LOL! - unclestu 15:22:33 05/9/11 (3)
- RE: LOL! - Steve Eddy 16:03:24 05/9/11 (2)
- So how then - unclestu 16:45:47 05/9/11 (1)
- RE: So how then - Steve Eddy 18:30:17 05/9/11 (0)
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