File:Margaret Wertheim speaking at TED in 2009 (cropped).jpg
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DescriptionMargaret Wertheim speaking at TED in 2009 (cropped).jpg |
Margaret Wertheim speaking at TED Wertheim showing off some hyperbolic surfaces that can only be created through crochet. |
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Date | ||||||
Source | Crocheting tales about mathematics | |||||
Author | Erik Charlton from Menlo Park, USA | |||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:12, 30 October 2019 | 2,846 × 2,126 (2.31 MB) | Chiswick Chap (talk | contribs) | File:Margaret Wertheim speaking at TED in 2009.jpg cropped 20 % horizontally, 20 % vertically using CropTool with precise mode. Crop for Wikidata. |
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Camera manufacturer | Panasonic |
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Exposure time | 1/30 sec (0.033333333333333) |
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ISO speed rating | 200 |
Date and time of data generation | 13:51, 5 February 2009 |
Lens focal length | 5.1 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS3 Windows |
File change date and time | 22:06, 7 March 2009 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 13:51, 5 February 2009 |
Meaning of each component |
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APEX exposure bias | 0 |
Maximum land aperture | 2 APEX (f/2) |
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Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
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Date metadata was last modified | 15:06, 7 March 2009 |