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CLIP 8760

Why do wheels look like they are spinning backwards?

Why do wheels look like they are spinning backwards?

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All Class Clips content is available to watch on mobile, tablet and desktop devices on our new Knowledge & Learning BETA website.

Key Info
  • Why do wheels look like they are spinning backwards?
  • Duration: 04:08
  • Dr Yan Wong uses a spinning wheel and a TV screen to demonstrate how a moving image is made up from separate images. Is this visible in real life? Published as part of the Bang Goes the Theory website Please note this clip is only available in Flash.
  • Subject:



    Bio: Human Body

  • Keywords: persistence of vision, optical illusion, BangGoesTheTheory
Ideas for use in class
  • As an illustration of how the mechanisms of human vision and TV are related but different.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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