Optical Illusions - PowerPoint PPT Presentation

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Title:

Optical Illusions

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Title: PowerPoint Presentation Author: Charlie Created Date: 9/7/2005 12:30:49 AM Document presentation format: On-screen Show (4:3) Company: TEXACO – PowerPoint PPT presentation

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Title: Optical Illusions


1
Optical Illusions
  • Predictions, Ch. 1, Act. 1

2
What is an Optical Illusion?
  • Any illusion that deceives the human visual
    system into perceiving something that is not
    present to exist.

3

Whos the Tallest?
4
Can you build this?
5
Can you make this?
6
What do you see?
7
Can this happen?
8
Where does the transition take place?
9
A lonely concert?
10
How Many Horses do you See?
7
11
How many monks do you See?
12
What do you see here?
13
How Many People do you See?
4
14
Face or Liar?
15
What do you see?
16
How Many Faces do you See?
11
17
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18
What do optical illusions have in common with
science?
  • Scientists resort to the power of observation to
    make sense of data acquired through experimental
    investigations.

19
Why are accurate observations important?
  • Over 80 of the information you receive is
    obtained visually.
  • Scientists rely on the powers of experimentation
    involving measurements to separate illusion from
    reality.

20
Further Interest
  • www.michaelbach.de/ot/
  • http//www.mcescher.com/
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