Optical Illusions

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Optical Illusions

• Predictions, Ch. 1, Act. 1

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What is an Optical Illusion?

• Any illusion that deceives the human visual
  system into perceiving something that is not
  present to exist.

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Whos the Tallest?
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Can you build this?
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Can you make this?
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What do you see?
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Can this happen?
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Where does the transition take place?
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A lonely concert?
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How Many Horses do you See?
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How many monks do you See?
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What do you see here?
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How Many People do you See?
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Face or Liar?
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What do you see?
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How Many Faces do you See?
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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.

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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.

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Further Interest

• www.michaelbach.de/ot/
• http//www.mcescher.com/