Dynamic Muller-Lyer Illusion

Animation,Estimation 5 July 2017 1 Comment

Dynamic Muller-Lyer Illusion

Gianni Sarcone emailed me earlier today letting me know about a new animation that he created based on a classic optical illusion.  The animation consists of 26 different frames and helps to demonstrate the Muller-Lyer illusion.  In this illusion, discovered in the late 19th century, the presence of arrows gives the appearance that equal segments […]

Müller-Lyer Illusion

Estimation 16 March 2012 0 Comments

Müller-Lyer Illusion

These three horizontal lines are all the same length.  Does the middle line appear to be longer than the top line? The arrows on the end of the lines give the impression that the lines are different lengths.  The red horizontal lines help to show that they are all equal.  This is known as the […]