| Foreword | |
| Editor's preface | |
| Preface | |
| An Overview of the Contributions of John Archibald Wheeler | |
| John Archibald Wheeler and the clash of ideas | |
| An Historian's Tribute to John Archibald Wheeler and Scientific Speculation Through the Ages | |
| The heritage of Heraclitus: John Archibald Wheeler and the itch to speculate Jaroslav Pelikan | |
| Quantum Reality - Theory | |
| Why is nature described by quantum theory? | |
| Thought experiments in honor of | |
| It from qubit David Deutsch | |
| The wave function: it or bit? | |
| Quantum Darwinism and envariance | |
| Using qubits to learn about it | |
| Quantum gravity as an ordinary gauge theory | |
| The Everett interpretation of quantum mechanics | |
| Quantum Reality - Experiment | |
| Why the quantum? It from bit? A participatory universe? Three far-reaching, visionary questions from John Archibald Wheeler and how they inspired a quantum experimentalist Anton Zeilinger | |
| Speakable and unspeakable, past and future | |
| Conceptual tensions between quantum mechanics and general relativity: are there experimental consequences? | |
| Breeding non-local Schrodinger cats: a thought experiment to explore the quantum classical boundary | |
| Quantum erasing the nature of reality - or, perhaps, the reality of nature? | |
| Quantum feedback and the quantum-classical transition Hideo Mabuchi | |
| What quantum computers may tell us about quantum mechanics Christopher R. Monroe | |
| Big Questions in Cosmology | |
| Cosmic inflation and the arrow of time Andreas Albrecht | |
| Cosmology and immutability | |
| Quantum cosmology, inflation, and the anthropic principle Andrei Linde | |
| Parallel universes Max Tegmark | |
| Quantum theories of gravity: results and prospects Lee Smolin | |
| A genuinely evolving universe Joao Magueijo | |
| Planck-scale models of the universe Fotini G. Markopoulou | |
| Implications of additional spatial dimensions to questions in cosmology Lisa Randall | |
| Emergence, Life, and Related Topics | |
| Emergence: us from it | |
| True complexity and its associated ontology | |
| The three origins: cosmos, life and mind Marcelo Gleiser | |
| Autonomous agents | |
| To see a world in a grain of sand | |
| Science and ultimate reality program committees | |
| Young researchers competition in honor of John Archibald Wheeler for physics graduate students, post-doctoral fellows, and young faculty | |
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