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Science. “Science can be described as the art of systematic oversimplification” Karl Popper, 1902-94.

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Presentation on theme: "Science. “Science can be described as the art of systematic oversimplification” Karl Popper, 1902-94."— Presentation transcript:

1 Science

2 “Science can be described as the art of systematic oversimplification” Karl Popper, 1902-94

3 “When you cannot measure, your knowledge is meager and unsatisfactory” Lord Kelvin, 1824-1907

4 “Science is a way of thinking more than it is a body of knowledge” Carl Sagan, 1934-96

5 “Don’t believe the results of experiments until they are confirmed by theory” Sir Arthur Eddington, 1882- 1944

6 “Science is a long history of learning how not to fool ourselves” Richard Feynman, 1918-88

7 “Science does not tell us how to live” Leo Tolstoy, 1828-1910

8 “Everything you learned… as “obvious” becomes less and less obvious as you begin to study the Universe” Buckminster Fuller, 1895- 1983

9 “The arrogance of scientists is not nearly so dangerous as the arrogance that comes from ignorance” Lewis Wolpert, 1956-

10 “Science is a way of describing reality; it is therefore limited by the limits of observation, and it asserts nothing which is outside observation” Jacob Bronowski, 1908-74

11 “Science is the only permanent revolution in human affairs, since it is commited to challenging the findings of its forebears” Daniel Bell, 1919-

12 “A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die out, and a new generation grows up familiar with it” Max Planck, 1858-1947

13 “The most incomprehensible thing about the world is that it is comprehensible” Albert Einstein, 1879-1955

14 “Science is built up of facts, as a house is built of staones; but an accumulation of facts is no more science than a heap of stones is a house” Henri Poincaré, 1854-1912

15 “As a matter of historical fact, the history of science is, by and large, a history of progress” Karl Popper, 1902-94

16 “Aaahhh….I love the smell of Science in the morning” Dexter

17 What is the scientific method? How do scientists gain their knowledge?

18 Remember the characteristics of scientists Collaborative Observant Creative Open-minded Risk-taking Methodical Analytical ??

19 It definitely looks like you’ve caught some sort of Herpes Grisham.

20 Pattern spotting Guessing the rule Testing the rule = Empirical observation Forming an inductive, reasoned hypothesis Testing by falsification Remember the processes used in the card game

21 Key elements must be: observation of empirical and measurable evidence, experimentation (esp falsification, the process by which we eliminate failures and falsehoods ), and Logical, rational and coherent theoretical explanations Draw and label a diagram or flow-chart of the model scientific method

22 How does your model compare with this one? Experimental data or observation Inductive hypothesis Prediction and experimental testing Theory confirmed and published as knowledge Theory is falsified and discarded What are the problems or issues with this model?

23 Paradigms, categories and perception problems with observation: 23 chromosomes Subjectivity rather than objectivity in observations Confirmation bias Creativity & problems of induction at 2 & 3 Problems of falsification at stages 4 & 5, incl with the nature of scientific communities What are the problems or issues with this model? What is the essential component of the scientific method?

24 models of scientific change: Karl Popper http://en.wikipedia.org/wiki/Karl_Popper http://en.wikipedia.org/wiki/Karl_Popper Each theory builds progressively on the theories preceding it 3 2 1

25 Paradigms encompass some parts of previous theories, but reject other parts models of scientific change: Thomas Kuhn http://en.wikipedia.org/wiki/Thomas_Samuel_Kuhn http://en.wikipedia.org/wiki/Thomas_Samuel_Kuhn 1 2 3

26 Theories have little to do with previous theories, and are incoherent or inconsistent. models of scientific change: Paul Feyerabend http://en.wikipedia.org/wiki/Paul_Feyerabend http://en.wikipedia.org/wiki/Paul_Feyerabend 1 2 3 It could be argued that the scientific method itself has been developed over time, ‘scientifically’!


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