File:A colleague, mentor, friend, retired Math teacher, and Grand Canyon hiker extraordinaire, turned me on to fun math concepts like this. (117804908).jpg
![File:A colleague, mentor, friend, retired Math teacher, and Grand Canyon hiker extraordinaire, turned me on to fun math concepts like this. (117804908).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/A_colleague%2C_mentor%2C_friend%2C_retired_Math_teacher%2C_and_Grand_Canyon_hiker_extraordinaire%2C_turned_me_on_to_fun_math_concepts_like_this._%28117804908%29.jpg/800px-A_colleague%2C_mentor%2C_friend%2C_retired_Math_teacher%2C_and_Grand_Canyon_hiker_extraordinaire%2C_turned_me_on_to_fun_math_concepts_like_this._%28117804908%29.jpg?20170312042043)
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editDescriptionA colleague, mentor, friend, retired Math teacher, and Grand Canyon hiker extraordinaire, turned me on to fun math concepts like this. (117804908).jpg |
English: A colleague, mentor, friend, retired Math teacher, and Grand Canyon hiker extraordinaire, turned me on to fun math concepts like this. I messed around in Shockwave to create http://dommy.com/alan/nojava/frac/index.html of Sierpinksi triangles. |
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Source | https://www.flickr.com/photos/cogdog/117804908/ |
Author | cogdogblog |
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This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication. |
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse |
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This image was originally posted to Flickr by cogdogblog at https://flickr.com/photos/37996646802@N01/117804908. It was reviewed on 12 March 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-zero. |
12 March 2017
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 04:20, 12 March 2017 | ![]() | 1,800 × 1,242 (621 KB) | Fæ (talk | contribs) | Alan Levine, Set 72057594089115238, ID 117804908, Original title Sierpinksi |
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Camera manufacturer | Canon |
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Camera model | Canon EOS DIGITAL REBEL XT |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/4.5 |
ISO speed rating | 400 |
Date and time of data generation | 11:24, 25 March 2006 |
Lens focal length | 35 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 7.0.4 |
File change date and time | 14:43, 25 March 2006 |
Exposure Program | Not defined |
Exif version | 2.2 |
Date and time of digitizing | 11:24, 25 March 2006 |
APEX shutter speed | 5.9068908941756 |
APEX aperture | 4.33984375 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash fired, auto mode, red-eye reduction mode |
Color space | sRGB |