File:Metarefraction.svg

$File:Metarefraction.svg$

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DescriptionMetarefraction.svg	An incident electromagnetic wave from free space entering a material at the boundary indicated by the lower left arrow refracts as shown by the solid upper right arrow when entering a conventional material and as shown by the dashed lower right arrow when entering a left-handed metamaterial.
Date	28 April 2007
Source	http://www.grc.nasa.gov/WWW/RT/2003/5000/5620wilson.html
Author	Dr. Jeffrey D. Wilson (uploader Tooto)

(note, updated to show arrow heads)

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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	Date/Time	Dimensions	User	Comment
current	12:09, 24 April 2012	257 × 225 (9 KB)	4pq1injbok (talk \| contribs)	theta rather than eight
	00:15, 28 April 2007	257 × 225 (9 KB)	Tooto (talk \| contribs)	{{Information \|Description=Comparing the refraction from a metamaterial and a conventional material. svg version of PD image from US gov \|Source= \|Date=28/04/2007 \|Author=tooto }} (note, updated to show arrow heads Category:Refraction [[Category:Diagr
	00:10, 28 April 2007	257 × 225 (9 KB)	Tooto (talk \| contribs)	{{Information \|Description=Diagram showing the negative reflective index properties of metarefraction materials \|Source=self-made \|Date=28/04/2007 \|Author= User:Tooto }} Category:Refraction Category:Diagrams
	11:21, 31 December 2006	257 × 225 (8 KB)	Matt314 (talk \| contribs)	improved version by User:Tooto
	00:14, 31 December 2006	744 × 1,052 (8 KB)	Tooto (talk \| contribs)	Comparing the refraction from a metamaterial and a conventional material. svg version of PD image from US gov