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Monday, 22 July 2013 10:55

O2-03: PERSISTENCE OF VISION - MAGIC WAND

Additional Info

  • ID Code: O2-03
  • Purpose: Demonstrates the persistence of vision
  • Description: The slide of Einstein (or any of your favorite slides) is focused a few feet from the projector, but unfocused where it strikes any surface on which it might be identifiable. When a white stick pointer is moved rapidly up and down through the focal plane the image of Einstein can easily be identified.
  • Availability: Available
Read 799 times Last modified on Thursday, 03 December 2015 14:30
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