6J11.57 - Perception - Near and Far, Spatial Scale - Pointillist Art

Credit: https://www.moillusions.com/are-you-far-or-close
Credit: https://www.moillusions.com/are-you-far-or-close
Pointillist Art - Einstein
Pointillist Art - Dirac
Code Number:
6J11.57
Demo Title:
Perception - Near and Far, Spatial Scale - Pointillist Art
Condition:
Good
Principle:
Perception
Area of Study:
Optics, Human Biology
Equipment:
Visual Perception Examples.
Procedure:

Place or tape the paper onto a wall or blackboard.  When you are close to the paper you can only distinguish block and other forms.  As you back away, you should start to distinguish the words that the block structures outline.

References:
  • Diane Riendeau, "Get to the Point...Quicker!", TPT, Vol. 45, #5, May 2007, p. 313.
  • The Physics Teacher Cover, TPT, Vol. 45, #5, May 2007.
  • Jeffrey W. Rylander, "Welcome to Physics", TPT, Vol. 37, #5, May 1999, p. 312.
  • Christopher Chiaverina, Cindee Scott, and Patricia Steele, "The Connections Project: Art, Physics, and Mathematics", TPT, Vol. 35, #5, May 1997, p. 292.
  • Bela Julesz, "Experiments in the Visual Perception of Texture", Scientific American, Vol. 232, #4, Apr. 1975, p. 34.
  • Jan B. Deregowski, "Pictorial Perception and Culture", Scientific American, Vol. 227, #5, May 1972, p. 82.
  • Sara Kiley Watson, "Try Holding this Pattern", Popular Science, Vol. 291, Fall 2019, p. 118.
  • Paul Doherty and Don Rathjen, "Size and Distance", The Cheshire Cat, p. 92.
  • Jearl Walker, "7.11 Pointillistic Paintings", The Flying Circus of Physics Ed. 2, p. 309.
  • Phillipe G. Schyns and Aude Oliva, "Dr. Angry and Mr. Smile:  When Categorization Flexibly Modifies the Perception of Faces in Rapid Visual Presentations", Cognition, Vol. 69, 1999, p. 243.
  • Paul Doherty & The Exploratorium Summer Institute, "Facial Blur", Scientific Explorations, http://www.exo.net/~pauld/summer_institute/summer_day1perception/facialblur.htm, November 2007.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.