Section 1: How Do Simple Programs Behave?
https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-1--how-do-simple-programs-behave
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https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-1--how-do-simple-programs-behave
Section 2: The Need for a New Intuition
https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-2--the-need-for-a-new-intuition
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https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-2--the-need-for-a-new-intuition
Section 3: Why These Discoveries Were Not Made Before
https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-3--why-these-discoveries-were-not-made-before
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https://www.wolframscience.com/nks/chap-2--the-crucial-experiment#sect-2-3--why-these-discoveries-were-not-made-before