File:Under the lightpost is bird droppings.jpg
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DescriptionUnder the lightpost is bird droppings.jpg | In my physics ethics class, we were given the problem of looking for lost keys after sunset. The question suggested that the only place that you could look for your keys when it is dark outside is under a lamppost -- but under the lamppost in the light of day you can clearly see that there is mostly bird droppings there and no keys. | ||||||||
Date | (UTC) | ||||||||
Source | carol | ||||||||
Author | carol, Daniel Trochet, Marshall Thompson and others | ||||||||
Permission (Reusing this file) |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:06, 16 November 2007 | 1,600 × 1,200 (1.09 MB) | CarolSpears (talk | contribs) | {{Information |Description=In my physics ethics class, we were given the problem of looking for lost keys after sunset. The question suggested that the only place that you could look for your keys when it is dark outside is under a lamppost -- but under |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot S110 |
Exposure time | 1/125 sec (0.008) |
F-number | f/7.2 |
Date and time of data generation | 13:43, 16 November 2007 |
Lens focal length | 5.40625 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 13:43, 16 November 2007 |
Y and C positioning | Centered |
Exif version | 2.1 |
Date and time of digitizing | 13:43, 16 November 2007 |
Image compression mode | 5 |
APEX shutter speed | 6.96875 |
APEX aperture | 5.8125 |
APEX exposure bias | 0 |
Maximum land aperture | 2.9708557128906 APEX (f/2.8) |
Subject distance | 1.096 meters |
Metering mode | Pattern |
Flash | Flash did not fire |
Color space | sRGB |
Focal plane X resolution | 7,766.9902912621 |
Focal plane Y resolution | 7,741.935483871 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |