File:Diffusion animation.gif

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Summary

DescriptionDiffusion animation.gif	English: This example illustrates the process of gaseous diffusion. The colored blocks represent molecules that are experiencing Brownian motion. Over time the two colors will be approximately evenly distributed between the top and bottom half. The image is an animated output of a CAGE simulation. The display is a two-dimensional black grid on a white background. A purple line is drawn horizontally spitting the grid in half, leaving the right one-quarter of the separation open. The simulation begins with about 20 light purple squares randomly placed above the delineation and the same number of green squares below. The squares are immediately set in motion and bouncing off any border it makes contact with. Squares are able to pass from top-to-bottom and bottom-to-top through the gap left on the right. Eventually the light-purple and green squares are equally distributed on the top and bottom. The simulation simply continues indefinitely, resetting itself periodically. Bahasa Indonesia: Contoh ini menggambarkan proses difusi gas. Kotak berwarna mewakili molekul-molekul yang mengalami gerak Brown. Setiap saat, sekitar dua warna akan terdistribusi merata antara bagian atas dan bawah.
Source	http://classwww.gsfc.nasa.gov/CAGESite/pages/demo3.htm
Author	This file is lacking author information.

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Licensing

	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

Original upload log

Transferred from en.wikipedia to Commons using For the Common Good.

The original description page was here. All following user names refer to en.wikipedia.

Date/Time	Dimensions	User	Comment
18:47, 7 January 2006	400 × 344 (589,270 bytes)	w:en:Brian0918 (talk \| contribs)	()
18:42, 7 January 2006	400 × 344 (589,270 bytes)	w:en:Brian0918 (talk \| contribs)	()
18:40, 7 January 2006	400 × 344 (589,270 bytes)	w:en:Brian0918 (talk \| contribs)	(This example illustrates the process of gaseous diffusion. The colored blocks represent molecules that are experiencing Brownian motion. Over time the two colors will be approximately evenly distributed between the top and bottom half. The image is an an)

	Date/Time	Dimensions	User	Comment
current	19:25, 20 August 2012	400 × 344 (575 KB)	OgreBot	(BOT): Reverting to most recent version before archival
	19:25, 20 August 2012	400 × 344 (575 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-01-07 18:42:16 by Brian0918
	19:25, 20 August 2012	400 × 344 (575 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2006-01-07 18:40:57 by Brian0918
	08:14, 20 August 2012	400 × 344 (575 KB)	Bulwersator	Transferred from en.wikipedia: see original upload log above

File:Diffusion animation.gif

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