110 - Wave Diffraction

In this video Paul Andersen explains how waves will diffract (or bend) around an obstacle or while traveling through and opening. Diffraction will be maximized when the size of the opening or obstacle matches the wavelength.

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Music Attribution
Title: String Theory
Artist: Herman Jolly
http://sunsetvalley.bandcamp.com/trac...

All of the images are licensed under creative commons and public domain licensing:

Alexander, ESO/M. English: Astronomers Do Not Always Swim at the Swimming Pool at the Paranal Observatory Residencia, but When They Do, They like to Show How Physical Principles Work. In This Picture the French ESO Astronomer Jean-Baptiste Le Bouquin Is Demonstrating How Waves — Not Light Waves, but Water Waves — Can Combine, or Interfere, to Create Larger Waves., January 27, 2014. http://www.eso.org/public/images/potw.... http://commons.wikimedia.org/wiki/Fil....
Cryonic07. English: Illustration of a Simple Ripple Tank. See Also Image:Simple Ripple Tank Paddle.svg, August 30, 2007. self-made This vector image was created with Inkscape, and then manually edited. Partly based on en:Image:Ripple tank.png and en:Image:Ripple tank motor.png. http://commons.wikimedia.org/wiki/Fil....
“Diffraction Grating.” Wikipedia, the Free Encyclopedia, April 10, 2015. http://en.wikipedia.org/w/index.php?t....
it.wikipedia, Original uploader was A3XX at. Italiano: Fotografo:, December 4, 2006. Transferred from it.wikipedia. http://commons.wikimedia.org/wiki/Fil....
Pajs. Vlneni Pri Pruchodu Bodovou Sterbinou (k Demonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/Fil....
———. Vlneni Pri Pruchodu Kolem Velke Prekazky (k Denonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/Fil....
———. Vlneni Pri Pruchodu Velkou Sterbinou (k Demonstraci Difrakce), April 28, 2015. Own work. http://commons.wikimedia.org/wiki/Fil....
“Ripple Tank.” Wikipedia, the Free Encyclopedia, March 3, 2015. http://en.wikipedia.org/w/index.php?t....
“Wave Interference.” PhET. Accessed April 16, 2015. https://phet.colorado.edu/en/simulati....