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Code Number: 6J11.33
Demo Title: Persistence of Vision - Magic Screen
Condition: Good
Principle: Persistence of Vision
Area of Study: Optics, Human Biology
Equipment:
Slide with large words, white meter stick, slide projector.
Procedure:
Focus the slide projector on a screen about 5 ft in front of the projector. Remove the screen and in that position is where you will rapidly wave the meter stick up and down. The words of the slide should be clearly visible.
References:
- Lain MacInnes, Stuart Smith, "A Simple Demonstration for Estimating the Persistence of Vision", TPT, Vol. 48, # 6, Sept. 2010, p. 394.
- Martin Gardner, "Retinal Retention", TPT, Vol. 33, # 6, Sept. 1995, p. 366.
- Hans Weltin, "An Optical Illusion", AJP, Vol. 33, #11, Nov. 1965, p. 969.
- O-585: "Moving Screen - Horiz. & Vert", DICK and RAE Physics Demo Notebook.
- S-380: "Slit Beams on String Cylinder", DICK and RAE Physics Demo Notebook.
- George M. Hopkins, "Experiments with the Scientific Top", Experimental Science, p. 174.
- Martin Gardner, "Retinal Retention", Science Tricks, p. 66.
- Paul Doherty, Don Rathjen, "Persistence of Vision", The Cheshire Cat, p. 85
- Julien Clinton Sprott, "6.11, Tubeless Television", Physics Demonstrations, p. 258, ISBN 0-299-21580-6.
- Ron Hipschman, "Magic Wand", Exploratorium Cookbook II, p. 110.1.