File:Escher Depth.jpg

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Licensing

This image represents a two-dimensional work of art, such as a drawing, painting, print, or similar creation. The copyright for this image is likely owned by either the artist who created it, the individual who commissioned the work, or their legal heirs. It is believed that the use of low-resolution images of artworks:

for purposes of critical commentary on:
- the specific work in question,
- the artistic genre or technique employed in the artwork, or
- the artistic school or tradition to which the artist is associated,
as applied within the English-language Wikipedia, hosted on servers located in the United States by the non-profit Wikimedia Foundation,

qualifies as fair use under United States copyright law.

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Fair use

Non-free media information and use rationale true for DNA nanotechnology
Description	Depth 1955 wood engraving in brown-red, grey-green and dark brown, printed from 3 blocks
Source	The Official M.C. Escher Website Picture gallery
Article	DNA nanotechnology
Portion used	Entire work
Low resolution?	Yes
Purpose of use	This image has historical significance in the field of DNA nanotechnology because it inspired the foundation of the field.^[1] It is covered under item 8 of WP:NFCI.
Replaceable?	Not replaceable by free alternative
Fair useFair use of copyrighted material in the context of DNA nanotechnology//en.wikipedia.org/wiki/File:Escher_Depth.jpgtrue

Non-free media information and use rationale true for Nadrian Seeman
Description	Depth 1955 wood engraving in brown-red, grey-green and dark brown, printed from 3 blocks
Source	The Official M.C. Escher Website Picture gallery
Article	Nadrian Seeman
Portion used	Entire work
Low resolution?	Yes
Purpose of use	This image has historical significance in the field of DNA nanotechnology because it inspired Nadrian Seeman to found the field.^[1] It is covered under item 8 of WP:NFCI.
Replaceable?	Not replaceable by free alternative
Fair useFair use of copyrighted material in the context of Nadrian Seeman//en.wikipedia.org/wiki/File:Escher_Depth.jpgtrue

References

1 2 Seeman, Nadrian C. (June 2004). "Nanotechnology and the double helix". Scientific American. 290 (6): 64–75. doi:10.1038/scientificamerican0604-64. PMID 15195395.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	06:18, 17 December 2017		270 × 368 (34 KB)	Theo's Little Bot (talk \| contribs)	Reduce size of non-free image (BOT - disable)
	22:54, 12 March 2010	No thumbnail	311 × 425 (55 KB)	Antony-22 (talk \| contribs)	==Licensing== {{Non-free 2D art}} {{Non-free use rationale \| Description = Depth 1955 wood engraving in brown-red, grey-green and dark brown, printed from 3 blocks \| Source = [http://www.mcescher.com/ The Official M.C. Escher Website],

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File usage

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DNA nanotechnology

[ned-1] 1 2 Seeman, Nadrian C. (June 2004). "Nanotechnology and the double helix". Scientific American. 290 (6): 64–75. doi:10.1038/scientificamerican0604-64. PMID 15195395.

[1]