File:Checker_shadow_illusion.svg
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Size of this PNG preview of this SVG file: 788 × 599 pixels. Other resolutions: 316 × 240 pixels | 631 × 480 pixels | 1,010 × 768 pixels | 1,280 × 974 pixels | 2,560 × 1,947 pixels | 948 × 721 pixels.
Original file (SVG file, nominally 948 × 721 pixels, file size: 12 KB)
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This image was selected as picture of the day on the English Wikipedia for June 14, 2022. |
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Summary
DescriptionChecker shadow illusion.svg |
English: The checker shadow illusion, originally published by en:Edward H. Adelson. Square A is exactly the same shade of grey as square B. |
Date | |
Source | Own work |
Author | Original: Edward H. Adelson, vectorized by Pbroks13. |
SVG development InfoField | This vector image was created with Inkscape. |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Items portrayed in this file
depicts
11 December 2018
image/svg+xml
c64f40fbc973ad8da5a176b7281b6d437cd56843
12,395 byte
721 pixel
948 pixel
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 04:37, 14 December 2018 | 948 × 721 (12 KB) | Pbrks | again | |
04:29, 14 December 2018 | 948 × 721 (12 KB) | Pbrks | attempting to pass validator | ||
04:25, 12 December 2018 | 948 × 721 (12 KB) | Pbrks | shadows | ||
04:23, 12 December 2018 | 948 × 721 (12 KB) | Pbrks | shadows | ||
23:03, 11 December 2018 | 948 × 721 (12 KB) | Pbrks | shadows | ||
22:42, 11 December 2018 | 948 × 721 (8 KB) | Pbrks | shadows | ||
22:27, 11 December 2018 | 948 × 721 (8 KB) | Pbrks | shadows | ||
22:22, 11 December 2018 | 948 × 721 (8 KB) | Pbrks | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
- Checker shadow illusion
- Cognitive science
- Color constancy
- Contrast effect
- Illusion
- List of optical illusions
- Optical illusion
- Talk:Checker shadow illusion
- User:Pbrks
- User:Pbrks/template2
- User talk:Paine Ellsworth/Light's nature
- User talk:Pbrks/Archives/2022
- Wikipedia:Featured picture candidates/delist/2018
- Wikipedia:Featured picture candidates/delist/Grey square optical illusion 2
- Wikipedia:Featured pictures/Diagrams, drawings, and maps/Drawings
- Wikipedia:Featured pictures thumbs/01
- Wikipedia:Main Page history/2022 June 14
- Wikipedia:Main Page history/2022 June 14b
- Wikipedia:Picture of the day/June 2022
- Template:POTD/2022-06-14
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Metadata
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If the file has been modified from its original state, some details may not fully reflect the modified file.
Width | 267.47mm |
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Height | 203.43mm |