Naked Science Forum

Non Life Sciences => Physics, Astronomy & Cosmology => Topic started by: thedoc on 21/07/2012 23:30:01

Title: Why do wheels sometimes appear to be turning in reverse?
Post by: thedoc on 21/07/2012 23:30:01

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?

Title: Re: Why do wheels sometimes appear to be turning in reverse?
Post by: evan_au 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...)