File:Partially-reflected-plutonium-sphere.jpeg
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Original file (800 × 640 pixels, file size: 308 KB, MIME type: image/jpeg)
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Summary
DescriptionPartially-reflected-plutonium-sphere.jpeg | A sphere of plutonium surrounded by neutron-reflecting blocks of tungsten carbide. A re-creation of the August 21, 1945 criticality accident at Los Alamos to measure the radiation produced when an extra block was added, making the mass supercritical. | |||
Date | ||||
Source | From LANL's report on criticality accidents, 2000, http://www.csirc.net/docs/reports/la-13638.pdf PDF at http://www.csirc.net/library/la_13638.shtml | |||
Author | Los Alamos National Laboratory | |||
Permission (Reusing this file) |
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2 October 1945
image/jpeg
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:20, 14 November 2017 | 800 × 640 (308 KB) | Hasenläufer | Watermark removed | |
14:02, 1 October 2016 | 800 × 640 (128 KB) | Quibik | Higher-res version from https://www.flickr.com/photos/losalamosnatlab/7597464832/ | ||
18:11, 31 July 2008 | 471 × 363 (56 KB) | Ian Dunster~commonswiki | Set levels. Changed to greyscale. Sharpened slightly. | ||
10:58, 20 April 2005 | 471 × 363 (28 KB) | Aarchiba~commonswiki | A sphere of en:plutonium partially surrounded by neutron-reflecting tungsten-carbide blocks. A recreation of a en:criticality accident to measure neutron production. From LANL's report on criticality accidents, 2000, http://www.csirc.net/library |
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Metadata
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Width | 800 px |
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Height | 640 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC (Macintosh) |
File change date and time | 00:20, 15 November 2017 |
Exif version | 2.21 |
Color space | Uncalibrated |
Unique ID of original document | 6A78A37F06913DA88500A810FAA0DC79 |
Date and time of digitizing | 01:19, 15 November 2017 |
Date metadata was last modified | 01:20, 15 November 2017 |