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1 SCI190 The Physical Universe John E. Erdei Department of Physics.

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Presentation on theme: "1 SCI190 The Physical Universe John E. Erdei Department of Physics."— Presentation transcript:

1 1 SCI190 The Physical Universe John E. Erdei Department of Physics

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5 5 Untethered EVA Approximately 200 mi above the surface of the earth

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7 7 There is only ONE event being shown on the overhead Why were there multiple answers???

8 8 Untethered EVA Approximately 200 mi above the surface of the earth

9 9 Untethered EVA Approximately 200 mi above the surface of the earth Is the person is the spacesuit a good person or a bad person?

10 10 Why is this guy connected to all this stuff?

11 11

12 12 Philosopher: Lover of Wisdom

13 13 Philosopher: Lover of Wisdom

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16 16 Thales: Nature can be explained without the intervention of the gods. Physics – Greek Philosophy

17 17 Thales: Nature can be explained without the intervention of the gods. Anaxagoras: Experimentation required to understand nature. Physics – Greek Philosophy

18 18 Thales: Nature can be explained without the intervention of the gods. Anaxagoras: Experimentation required to understand nature. Aristotle: Method of detailed reasoning. Physics – Greek Philosophy

19 19 Thales: Nature can be explained without the intervention of the gods. Anaxagoras: Experimentation required to understand nature. Aristotle: Method of detailed reasoning. Democritus: Physical Laws Physics – Greek Philosophy

20 20 Thales: Nature can be explained without the intervention of the gods. Anaxagoras: Experimentation required to understand nature. Aristotle: Method of detailed reasoning. Democritus: Physical Laws Pathagoras:Mathematics is appropriate. Physics – Greek Philosophy

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23 23 Galileo (1564-1642) Physics – Science Revived

24 24 Galileo (1564-1642) * Nature operates with precision. Physics – Science Revived

25 25 Galileo (1564-1642) * Nature operates with precision. * Laws of Nature must be stated unambiguously and must reflect the precision of Nature. Physics – Science Revived

26 26 Galileo (1564-1642) * Nature operates with precision. * Laws of Nature must be stated unambiguously and must reflect the precision of Nature. * Language used must be precise. Physics – Science Revived

27 27 Galileo (1564-1642) * Nature operates with precision. * Laws of Nature must be stated unambiguously and must reflect the precision of Nature. * Language used must be precise. Scientists (Physicists) must be bi-lingual Physics – Science Revived

28 28 Galileo (1564-1642) * Nature operates with precision. * Laws of Nature must be stated unambiguously and must reflect the precision of Nature. * Language used must be precise. Scientists (Physicists) must be bi-lingual * Words (ambiguous) Physics – Science Revived

29 29 Galileo (1564-1642) * Nature operates with precision. * Laws of Nature must be stated unambiguously and must reflect the precision of Nature. * Language used must be precise. Scientists (Physicists) must be bi-lingual * Words (ambiguous) * Mathematics (Precise) Physics – Science Revived

30 30

31 31 Nature Operates in accordance with Mechanical Laws - Thales, Democritus, Galileo, Newton Physics – Science Revived

32 32 Nature Operates in accordance with Mechanical Laws - Thales, Democritus, Galileo, Newton Physics – Science Revived

33 33 Nature Operates in accordance with Mechanical Laws - Thales, Democritus, Galileo, Newton Physics – Science Revived

34 34 Nature Operates in accordance with Mechanical Laws - Thales, Democritus, Galileo, Newton Physics – Science Revived

35 35 Experimentation is Required - Anaxagoras, Bacon Physics – Science Revived

36 36 Experimentation is Required - Anaxagoras, Bacon Physics – Science Revived

37 37 A particular process of reasoning must be used in order to effectively uncover the properties of nature - Aristotle, Galileo Physics – Science Revived

38 38 A particular process of reasoning must be used in order to effectively uncover the properties of nature - Aristotle, Galileo Physics – Science Revived

39 39 Mathematics the an appropriate language - Pythagoras, Galileo Physics – Science Revived

40 40 Mathematics the an appropriate language - Pythagoras, Galileo Physics – Science Revived

41 41 Mathematics the an appropriate language - Pythagoras, Galileo Physics – Science Revived

42 42 Mathematics the an appropriate language - Pythagoras, Galileo Physics – Science Revived

43 43 Mathematics the an appropriate language - Pythagoras, Galileo Physics – Science Revived We need to be able to “talk” to nature, and the language of nature appears to be mathematics

44 44 Implications Physics – The Present

45 45 Implications * Nature can be understood (Maxwell’s Demon) Physics – The Present

46 46 Implications * Nature can be understood (Maxwell’s Demon) * Laws of Nature do not change Physics – The Present

47 47 Implications * Nature can be understood (Maxwell’s Demon) * Laws of Nature do not change * Nature is predictable (Newton’s well ordered universe) Physics – The Present

48 48 What is Physics? Physics – The Present

49 49 What is Physics? Physics is the “Legislative Branch” of the Sciences Physics – The Present

50 50

51 51 What are you here to Learn?

52 52 What are you here to Learn? Understand the past

53 53 What are you here to Learn? Understand the past

54 54 What are you here to Learn? Understand the past Understand the Present

55 55 What are you here to Learn? Understand the past Understand the Present

56 56 What are you here to Learn? Understand the past Predict the Future Understand the Present

57 57 What are you here to Learn? Understand the past Predict the Future Understand the Present

58 58 What are you NOT here to Learn?

59 59 Untethered EVA Approximately 200 mi above the surface of the earth Is the person is the spacesuit a good person or a bad person? What are you NOT here to Learn?

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