John D. Barrow

Contents

• Paul C. W. Davies.

John Archibald Wheeler and the clash of ideas

• Jaroslav Pelikan.

The heritage of Heraclitus: John Archibald Wheeler and the itch to speculate

• Lucien Hardy.

Why is nature described by quantum theory?

• Freeman J. Dyson.

Thought-experiments in honor of John Archibald Wheeler

• David Deutsch.

It from qubit

• H. Dieter Zeh.

The wave function: it or bit?

• Wojciech H. Zurek.

Quantum Darwinism and envariance

• Juan Pablo Paz.

Using qubits to learn about "it"

• Juan M. Maldacena.

Quantum gravity as an ordinary guage theory

• Bryce S. DeWitt.

The Everett interpretation of quantum mechanics

• Anton Zeilinger.

Why the quantum? "It" from "bit"? a Participatory universe? Three far-reaching challenges from John Archibald Wheeler and their relation to experiment

• Aephraim M. Steinberg.

Speakable and unspakable, past and future

• Raymond Y. Chiao.

Conceptual tensions between quantum mechanics and general relativity: are there experimental consequences?

• Serge Haroche.

Breeding nonlocal Schrodinger cats: a thought-experiment to explore the quantum-classical boundary

• Paul G. Kwiat, Berthold-Georg Englert.

Quanum erasing the nature of reality: or, perhaps, the reality of nature?

• Hideo Mabuchi.

Quantum feedback and the quantum-classical transition

• Christopher R. Monroe.

What quantum computers may tell us about quantum mechanics

• Andreas Albrecht.

Cosmic inflation and the arrow of time

• John D. Barrow.

Cosmology and immutability

• Andrei Linde.

Inflation, quatum cosmology, and the anthropic principle

• Max Tegmark.

Parallel universes

• Lee Smolin.

Quantum theories of gravity: results and prospects

• Joao Magueijo.

A genuinely evolving universe

• Fotini Markopoulou.

Planck-scale models of the universe

• Lisa Randall.

Implications of additional spatial dimensions for questions in cosmology

• Philip D. Clayton.

Emergence: us from it

• George F. R. Ellis.

True complexity and its associated ontology

• Marcelo Gleiser.

The three origins: cosmos, life, and mind

• Stuart A. Kauffman.

Autonomous agents

• Shou-Cheng Zhang.

To see a world in a grain of sand