http://www.opticalillusion.net Illusions and visual special effects - explanations and tutorials Wed, 01 Feb 2012 10:30:44 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://www.opticalillusion.net/optical-illusions/subtle-misjudgments-of-horizontal-and-vertical/ http://www.opticalillusion.net/optical-illusions/subtle-misjudgments-of-horizontal-and-vertical/#comments Sat, 28 Nov 2009 11:24:31 +0000 david http://www.opticalillusion.net/?p=1659 http://www.opticalillusion.net/optical-illusions/subtle-misjudgments-of-horizontal-and-vertical/feed/ 0 http://www.opticalillusion.net/optical-illusions/subtle-bent-line-illusions/ http://www.opticalillusion.net/optical-illusions/subtle-bent-line-illusions/#comments Thu, 21 May 2009 10:37:53 +0000 david http://www.opticalillusion.net/?p=1003 http://www.opticalillusion.net/optical-illusions/subtle-bent-line-illusions/feed/ 0