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A fun thing to try

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Edited by Richard Walker, Thursday, 29 Sep 2022, 14:58

Seated in a chair, raise your right foot from the ground and start moving it in a clockwise circle. While continuing to move your right foot, extend your right for finger and draw a figure 6 in the air. What happens? 

See here for a YouTube video about this surprising effect.

It appears on lots of web sites, often under the title 'How smart is your right foot?' but I hadn't come across it before.

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Judith McLean

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Hi Richard

This is brilliant. I love these weird teasers. Why does this happen ?