Lesson 3 - Optical Camouflage

Lesson Objectives:


  • Students will analyze the use of different light wavelengths for optical stealth technology.
  • Students will compare the technology used in different optical stealth technologies.
  • Students will determine how science advances through cross-fertilization of science fields.

The concept of fiber optics leads naturally to attempts to bend light in order to achieve certain effects. One of these would be a form of camouflage. Octopi can change their skin color and texture to blend with their environment. Some scientists are working on ways to bend waves around objects in order to form an even more advanced form of stealth technology.

Reading

Read the following for this lesson:

Assignment

Grading Rubric:

10: All answers are correct within the second revision of this lesson. Answers are correct, complete, and clear; all lesson requirements have been met. All answers are in complete sentences with correct grammar and spelling.

9: All answers are correct within the third revision. Answers are correct, complete, and clear; all lesson requirements have been met. All answers are in complete sentences and work is spell-checked, but may have a few grammatical errors.

8: All answers are correct after four or more revisions. Answers are correct, complete, and clear; all lesson requirements have been met. All answers are in complete sentences and work is spell-checked, but may have a few grammatical errors.

7: One or two answers are incorrect. All other answers are factually correct, complete, and clear. All lesson requirements have been met. All answers are in complete sentences and work is spell-checked, but may have a few grammatical errors.

6: Reserved for administrative use.

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Reading

  1. Why does Jerry say it is impossible to take a pill and become invisible?
  2. Why does Colonel Bryant ask Jerry about Lois Doberman?
  3. Why does most stealth technology fail, according to Jerry?
  4. How was Jerry able to "find" Lois?
  5. What does Lois do at the end?

Analysis

  1. Which of the real world attempts at "invisibility" is most like Lois Doberman's? Why?
  2. What is the difference between the two real world attemps at "invisibility" you read about?
  3. Which, if perfected, will create the best technology, do you think? Why do you think so?
  4. The "nano-soup" (from the previous lesson) and the "optical cloaking" design both share a "failing." What is it?
  5. In the story, Jerry says that advances in science come from "cross-fertilization, from recognizing relationships between fields that at first sight have little to do with each other." Do you agree? Why or why not?
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