File:Fibonacci spin (cropped).jpg
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Summary
editDescriptionFibonacci spin (cropped).jpg |
English: A tennis ball soaked in water and spun, creating approximately equidistant spirals of water droplets. (For true equidistance, the rate of rotation would have to be constant and we'd have to ignore air resistance.) |
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Date | ||||
Source | Own work | |||
Author | Debmalya Mukherjee | |||
Other versions |
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Note that the filename is misleading in implying that the spirals are Fibonacci.
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editI, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution 4.0 International license.
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This image was uploaded as part of Wiki Science Competition 2017. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:12, 7 January 2018 | 2,056 × 1,396 (2.85 MB) | Chiswick Chap (talk | contribs) | File:Fibonacci spin.jpg cropped 31 % horizontally and 28 % vertically using CropTool with precise mode. |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 550D |
Exposure time | 1/4,000 sec (0.00025) |
F-number | f/2.2 |
ISO speed rating | 400 |
Date and time of data generation | 15:22, 4 November 2012 |
Lens focal length | 50 mm |
Orientation | Normal |
Horizontal resolution | 350 dpi |
Vertical resolution | 350 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 21:56, 8 December 2017 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 15:22, 4 November 2012 |
Meaning of each component |
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APEX shutter speed | 12 |
APEX aperture | 2.375 |
APEX exposure bias | 0 |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,728.1767955801 |
Focal plane Y resolution | 5,808.4033613445 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 2,976 px |
Image height | 1,936 px |
Date metadata was last modified | 03:26, 9 December 2017 |
IIM version | 4,927 |