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Author Topic: Why do wheels sometimes appear to be turning in reverse?  (Read 1004 times)

Offline thedoc

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Di Smith  asked the Naked Scientists:
   
Is there a name for it when a wheel appears to be going the opposite way?

Thank you
Di
 
What do you think?
« Last Edit: 21/07/2012 23:30:01 by _system »


 

Offline evan_au

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Re: Why do wheels sometimes appear to be turning in reverse?
« Reply #1 on: 22/07/2012 04:57:03 »
Try: the Stroboscopic effect

http://en.wikipedia.org/wiki/Stroboscopic_effect
(this article also calls it the wagon-wheel effect...)
 

The Naked Scientists Forum

Re: Why do wheels sometimes appear to be turning in reverse?
« Reply #1 on: 22/07/2012 04:57:03 »

 

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