File:Pencil in a bowl of water.svg

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Original file (SVG file, nominally 592 × 387 pixels, file size: 8 KB)

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Description Refraction at the water/air interface and optical density differences account for the "bent pencil" illusion.
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Redrew png as svg. The original can be viewed here: Pencil in a bowl of water.png: . Modifications made by Gregors.

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Original upload log

This image is a derivative work of the following images:

  • File:Pencil_in_a_bowl_of_water.png licensed with Cc-by-sa-3.0-migrated, GFDL
    • 2005-06-12T17:38:49Z Anton 287x182 (6324 Bytes) mirror version (fits better to other pictures in this category).
    • 2005-06-12T11:04:36Z Anton 282x182 (9230 Bytes) Title: Diagram of the refraction and apperntly depth compression of a pencil sticking out of a bowl of water.Drawn by Theresa Knott Artist: http://en.wikipedia.org/wiki/User:Theresa_knott Source: http://upload.wikimedia.org/w

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0ee32e7300a707bf7a104848fd19d2e3fc214734

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Date/TimeThumbnailDimensionsUserComment
current22:13, 24 October 2018Thumbnail for version as of 22:13, 24 October 2018592 × 387 (8 KB)wikimediacommons>UlflundCorrected refraction angles. The pen should appear shorter than it really is.

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