File:Ferrofluid_Magnet_under_glass.jpg
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![Usòrò:Ferrofluid Magnet under glass.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Ferrofluid_Magnet_under_glass.jpg/800px-Ferrofluid_Magnet_under_glass.jpg)
Failụ si na nke mbu (2,048 × 1,536 pixel, ívù akwukwo orunótu: 516 KB, MIME nke: image/jpeg)
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NkówáFerrofluid Magnet under glass.jpg |
English: Ferrofluid on a reflective glass plate under the influence of a strong/steep magnetic field.
עברית: he:נוזל מגנטי אשר נמצא על זכוכית משקפת תחת השפעת מגנט חזק.
Русский: Ферромагнитная жидкость на стекле под воздействием магнита под стеклом. |
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Ǹgụ́ụ̀bọ̀chị̀ | ||||
Mkpọlọ́gwụ̀ | Orü ọnwé | |||
Odé ákwụ́kwọ́ | Gregory F. Maxwell <gmaxwell@gmail.com> PGP:0xB0413BFA | |||
Ọdà (Í jí kwá usòrò nke) |
I, the copyright holder of this work, hereby publish it under the following license:
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Nke ya ozor |
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Ferrofluid, a paramagnetic fluid composed of nanoscale ferromagnetic particles suspended in a carrier fluid, was placed onto a glass plate. The edges of the glass plate are visible at the bottom of the image. A powerful N40 neodymium magnet was placed under the glass along with an iron rod to steepen the field. Spikes form, in a phenomenon called normal field instability, where the magnetic forces are great enough to overcome gravity and surface tension to align the fluid in a magnetically ideal manner.
- Equipment
- Canon 5D
- 10mm/f2.85 Macro at f/200
- ISO 100, 10 second exposure
- Background illumination provided by 2400watts of 65K high-cri fluorescent. Highlight illumination by photoflash reflected off a 40ft x 15 ft white matt panel.
- Processing
- RAW to 16bit conversion with dcraw
- Slight rotation
- Cropping to 4:3 aspect
- Gain to bring background to white.
- Minor cloning to remove sensor dust from background area
- Scaled to 2048x1536
Nkowapụta
Ihe ndị egosiri na faịlụ a
depicts Bekee
copyright status Bekee
copyrighted Bekee
9 Julaị 2006
source of file Bekee
Ịta nke usòrò
Bìri èhì/ogè k'ị hụ òtù ụ̀fa dị̀ m̀gbè ahụ̀.
Èhì/Ogè | Mbọ-aka | Ógólógó na asaá | Òjìème | Nkwute | |
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dị ùgbu â | 04:03, 1 Ọgọọst 2006 | ![]() | 2,048 × 1,536 (516 KB) | Gmaxwell | Now high resolution. |
04:09, 13 Julaị 2006 | ![]() | 800 × 600 (109 KB) | Gmaxwell | Reverted to earlier revision | |
04:07, 13 Julaị 2006 | ![]() | 800 × 601 (114 KB) | Gmaxwell | Reverted to earlier revision | |
02:17, 12 Julaị 2006 | ![]() | 800 × 600 (109 KB) | Gmaxwell | fix size so mediawiki doesn't crap it up. | |
02:06, 12 Julaị 2006 | ![]() | 800 × 601 (114 KB) | Gmaxwell | {{Information |Description=Ferrofluid on glass, with a rare earth magnet. |Source=By uploader. |Date=2006-07-09 |Author=Gregory F. Maxwell |Permission=GFDL-1.2 only }} {{GFDL-1.2}} |
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