Diamagnetic_levitation_(single_bismuth_layer).jpg (512 × 384 pixels, file size: 27 KB, MIME type: image/jpeg)
A neodymium disk magnet levitating over a polished bismuth plate. The only three forces acting on the magnet are the Earth's gravity, a stack of 1" square neodymium magnets approximately 5 inches above, and the repulsion of the bismuth plate on the disk's own field. The upper magnet array is only used to negate gravity, so that the very weak diamagnetic effect of bismuth may be observed. Note: usually there is a second diamagnetic layer above the hovering magnet for extra stability, but it is possible to do with just one indefinitely, if it is protected from vibration and air movement (making for easier photography).
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:53, 9 August 2005 |
| 512 × 384 (27 KB) | Splarka ( talk | contribs) | A neodymium disk magnet levitating over a polished bismuth plate. The only three forces acting on the magnet are the Earth's gravity, a stack of 1" square neodymium magnetis approximately 5 inches above, and the repulsion of the bismuth plate on the disk' |
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Diamagnetic_levitation_(single_bismuth_layer).jpg (512 × 384 pixels, file size: 27 KB, MIME type: image/jpeg)
A neodymium disk magnet levitating over a polished bismuth plate. The only three forces acting on the magnet are the Earth's gravity, a stack of 1" square neodymium magnets approximately 5 inches above, and the repulsion of the bismuth plate on the disk's own field. The upper magnet array is only used to negate gravity, so that the very weak diamagnetic effect of bismuth may be observed. Note: usually there is a second diamagnetic layer above the hovering magnet for extra stability, but it is possible to do with just one indefinitely, if it is protected from vibration and air movement (making for easier photography).
| I, the copyright holder of this work, hereby release it into the
public domain. This applies worldwide. If this is not legally possible: |
|
| This file is a candidate to be copied to
Wikimedia Commons.
Any user may perform this transfer; refer to Wikipedia:Moving files to Commons for details. If this file has problems with attribution, copyright, or is otherwise ineligible for Commons, then remove this tag and DO NOT transfer it; repeat violators may be blocked from editing. Other Instructions
| ||
| |||
| This media file is either in the public domain or published under a free license, and contains no inbound file links. If this media file is useful, then it should be transferred to the Wikimedia Commons. If this media is not useful, then please propose it for deletion or list it at files for discussion. |
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:53, 9 August 2005 |
| 512 × 384 (27 KB) | Splarka ( talk | contribs) | A neodymium disk magnet levitating over a polished bismuth plate. The only three forces acting on the magnet are the Earth's gravity, a stack of 1" square neodymium magnetis approximately 5 inches above, and the repulsion of the bismuth plate on the disk' |
You cannot overwrite this file.