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Book SynopsisDo all questions have answers? How much can we know about the world? Is there such a thing as an ultimate truth?To be human is to want to know, but what we are able to observe is only a tiny portion of what''s out there. In The Island of Knowledge , physicist Marcelo Gleiser traces our search for answers to the most fundamental questions of existence. In so doing, he reaches a provocative conclusion: science, the main tool we use to find answers, is fundamentally limited.These limits to our knowledge arise both from our tools of exploration and from the nature of physical reality: the speed of light, the uncertainty principle, the impossibility of seeing beyond the cosmic horizon, the incompleteness theorem, and our own limitations as an intelligent species. Recognizing limits in this way, Gleiser argues, is not a deterrent to progress or a surrendering to religion. Rather, it frees us to question the meaning and nature of the universe while affirming the central role of life and our
Table of ContentsPrologue: The Island of Knowledge PART I The Origin of the World and the Nature of the Heavens 1. The Will to Believe 2. Beyond Space and Time 3. To Be, or to Become? That is the Question 4. Lessons from Plato's Dream 5. The Transformative Power of a New Observational Tool 6. Cracking Open the Dome of Heaven 7. Science as Nature's Grand Narrative 8. The Plasticity of Space 9. The Restless Universe 10. There is No Now 11. Cosmic Blindness 12. Splitting Infinities 13. Rolling Downhill 14. Counting Universe 15. Interlude: A Promenade along the String Landscape 16. Can We Test the Multiverse Hypothesis? PART II From Alchemy to the Quantum: The Elusive Nature of Reality 17. Everything Floats in Nothingness 18. Admirable Force and Efficacy of Art and Nature 19. The Elusive Nature of Heat 20. Mysterious Light 21. Learning to Let Go 22. The Tale of the Intrepid Anthropologist 23. What Waves in the Quantum Realm? 24. Can We Know What is Real? 25. Who is Afraid of Quantum Ghosts? 26. For Whom the Bell Tolls 27. Consciousness and the Quantum World 28. Back to the Beginning PART III Mind and Meaning 29. On the Laws of Humans and the Laws of Nature 30. Incompleteness 31. Sinister Dreams of Transhuman Machines: Or, the World as Information 32. Awe and Meaning
