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Previous Contests

How Should Humanity Steer the Future?
January 9, 2014 - August 31, 2014
Contest Partners: Jaan Tallinn, The Peter and Patricia Gruber Foundation, The John Templeton Foundation, and Scientific American
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It From Bit or Bit From It
March 25 - June 28, 2013
Contest Partners: The Gruber Foundation, J. Templeton Foundation, and Scientific American
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Questioning the Foundations
Which of Our Basic Physical Assumptions Are Wrong?
May 24 - August 31, 2012
Contest Partners: The Peter and Patricia Gruber Foundation, SubMeta, and Scientific American
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Is Reality Digital or Analog?
November 2010 - February 2011
Contest Partners: The Peter and Patricia Gruber Foundation and Scientific American
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What's Ultimately Possible in Physics?
May - October 2009
Contest Partners: Astrid and Bruce McWilliams
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The Nature of Time
August - December 2008
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FQXi FORUM: The Nature of Time Essay Contest
October 22, 2014

Please note: The Nature of Time essay contest is now closed to submissions and voting. The essay contest discussion forum will remain open for comments and discussion. The new topic and guidelines will be posted soon. Thanks!

If you're new to the Forum, please read the important Introduction, which has instructions and the Terms of Use that govern your participation in this community. The main rule is that inappropriate language (curse words, epithets, flame wars, advertisements, etc.) will not be tolerated, ever. In its sole discretion, FQXi will delete posts containing inappropriate language immediately and without regrets. Otherwise, this is a free speech Forum and all are welcome!

Please note that you can order the essays by:




Things Happen by Jim George Snowdon
21 posts  •  Dec. 4, 2008 @ 09:02 GMT

Time Is Local by Sandra E. Baron
16 posts  •  Dec. 3, 2008 @ 11:56 GMT

Time: the view from ordinary shoulders by Peter Alexander Cunningham
1 post  •  Dec. 3, 2008 @ 10:05 GMT

Possible Simultaneous Times by Florina Manuela Pirvulescu
60 posts  •  Dec. 3, 2008 @ 10:04 GMT

The Foundation of Physics and the Explanation of Time by Gerry L. Klein
4 posts  •  Dec. 3, 2008 @ 10:04 GMT

Revolution in the Understanding of Space-Time: A Project by Buck Field
29 posts  •  Dec. 3, 2008 @ 10:04 GMT

The Reasonable Ineffectiveness of Mathematics in Capturing the Nature of Time. by Dirk Vertigan
7 posts  •  Dec. 3, 2008 @ 10:04 GMT

Quantum Measurement as an Arrow of Time by C. Vinson
3 posts  •  Dec. 3, 2008 @ 10:04 GMT

Time by Mar Vas
3 posts  •  Dec. 3, 2008 @ 10:04 GMT

Speculation Regarding a Limited Role in the Universe for (Space-)Time by Jud Fink
5 posts  •  Dec. 3, 2008 @ 10:03 GMT

The Riddle of Time: R = t by L Riofrio
11 posts  •  Dec. 2, 2008 @ 14:46 GMT

The Case for Absolute Time by Randall B Floit
5 posts  •  Dec. 2, 2008 @ 14:45 GMT

The Production of Time by Adam Daniel Helfer
8 posts  •  Dec. 2, 2008 @ 14:43 GMT

The rediscovery of time through its disappearance by Alexis de Saint-Ours
15 posts  •  Dec. 2, 2008 @ 14:41 GMT

What Is Time? by Gregory Keaton
9 posts  •  Dec. 2, 2008 @ 14:40 GMT

Weakening Gravity's Grip on the Arrow of Time by Maulik Parikh
3 posts  •  Dec. 2, 2008 @ 14:36 GMT

Space does not exist, so time can. by Fotini Markopoulou
30 posts  •  Dec. 2, 2008 @ 14:34 GMT

Time is not the problem. by Olaf Dreyer
6 posts  •  Dec. 2, 2008 @ 14:34 GMT

Smaller than Planck time by Guenter Hauser
1 post  •  Dec. 2, 2008 @ 14:31 GMT

The physical nature of time by Sherman Loran Jenkins
5 posts  •  Dec. 2, 2008 @ 14:27 GMT

Many Times by Steven Weinstein
4 posts  •  Dec. 2, 2008 @ 14:23 GMT

The Nature of Time is Change by Matthew Joseph Waldman
4 posts  •  Dec. 2, 2008 @ 12:45 GMT

Time as a Universal Scaling Principle by Lawrence B. Crowell
24 posts  •  Dec. 2, 2008 @ 10:56 GMT

Let's benefit from special mathematics for elapsed time by Eckard Blumschein
60 posts  •  Dec. 2, 2008 @ 10:41 GMT

Your Time and My Time and Time by Raghavendra Devaraya Prabhu
1 post  •  Dec. 2, 2008 @ 08:45 GMT

Deep quantum time by David Ritz Finkelstein
4 posts  •  Dec. 1, 2008 @ 17:02 GMT

Complex Time, Causality and the Anthropic Principal by James G Stanfield
18 posts  •  Dec. 1, 2008 @ 16:54 GMT

Gravity: The Power Source of Entropic Time by Timothy E Faucett
5 posts  •  Dec. 1, 2008 @ 16:54 GMT

The Absoluteness of Time by James A. Putnam
6 posts  •  Dec. 1, 2008 @ 14:21 GMT

Time, TOEs, and UltraStructuralism by Dean Rickles
7 posts  •  Dec. 1, 2008 @ 14:21 GMT

Is the notion of time really fundamental? by Florian Girelli
5 posts  •  Dec. 1, 2008 @ 14:21 GMT

On The Flow of Time by George F R Ellis
262 posts  •  Dec. 1, 2008 @ 14:20 GMT

The Nature of Time by Julian Barbour
75 posts  •  Dec. 1, 2008 @ 14:20 GMT

Time and the Infinity Complex by Nicholas Dombrovskis
2 posts  •  Dec. 1, 2008 @ 13:24 GMT

The Nature of Time: Turning the Kaleidoscope by Ryan Sloan Westafer
13 posts  •  Dec. 1, 2008 @ 11:23 GMT

Condensed matter lessons about the origin of time by Gil Jannes
8 posts  •  Dec. 1, 2008 @ 11:22 GMT

``What is (the) time?'' ``Get a clock, it will tell you!'' by Robert C Helling
1 post  •  Dec. 1, 2008 @ 11:18 GMT

Can we change the past by forgetting? by Saibal Mitra
10 posts  •  Dec. 1, 2008 @ 11:18 GMT

Time. On. Essay. An. by Julian Moore
10 posts  •  Dec. 1, 2008 @ 11:17 GMT

Relational Resolution of Time needs Many Worlds Interpretation with Small Probability Cutoff by Sascha Vongehr
2 posts  •  Dec. 1, 2008 @ 11:03 GMT

Time as a product of motion by peter wamai wanjohi
3 posts  •  Dec. 1, 2008 @ 10:55 GMT

On the Non-Existence of Time by James E Tyson
6 posts  •  Dec. 1, 2008 @ 10:55 GMT

Measurement processes and cosmological emergence by Marni Dee Sheppeard
8 posts  •  Dec. 1, 2008 @ 10:55 GMT

Time and Interpretation by Lambru Scoromide
2 posts  •  Dec. 1, 2008 @ 10:54 GMT

Time and Life: Testing a Tilt in the Arrow of Time by C. K. Raju
13 posts  •  Dec. 1, 2008 @ 10:54 GMT

Time and Reality of Worldtubes by Vesselin Petkov
23 posts  •  Dec. 1, 2008 @ 10:54 GMT

Temporal Platonic Metaphysics by Aleksandar Mikovic
7 posts  •  Dec. 1, 2008 @ 10:54 GMT

Nature's Time Scale by Neil G. McCormick
1 post  •  Dec. 1, 2008 @ 10:53 GMT

The progression of time as a cosmological process by Johan Masreliez
6 posts  •  Dec. 1, 2008 @ 10:53 GMT

Time According to dano by Daniel Joseph Kunau
3 posts  •  Dec. 1, 2008 @ 10:53 GMT

The Drumming of Space-Time by Jean IBAR
5 posts  •  Dec. 1, 2008 @ 10:53 GMT

Time and Quantum - Musings about the Quantized Nature of Becoming by Chi Ming Hung
20 posts  •  Dec. 1, 2008 @ 10:53 GMT

Electron time, mass and zitter by David Hestenes
24 posts  •  Dec. 1, 2008 @ 10:53 GMT

Time: The Anima of Being by William C Hagen
2 posts  •  Dec. 1, 2008 @ 10:53 GMT

Black Holes and Antimatter as the Convergence of Times by Joshua D Cuppett
5 posts  •  Dec. 1, 2008 @ 10:52 GMT

Whither Time's Arrow? by Gavin E Crooks
13 posts  •  Dec. 1, 2008 @ 10:52 GMT

There ain't nothing wrong with Time by Anders Bengtsson
7 posts  •  Dec. 1, 2008 @ 10:52 GMT

The Epiontic Principle, Time and the Laws of Physics by Luigi Acerbi
5 posts  •  Dec. 1, 2008 @ 10:52 GMT

Time, Space and Matter in the Relational Blockworld: A New Approach to the Problems of Time by Mark Stuckey
23 posts  •  Nov. 28, 2008 @ 12:46 GMT

The Theory of Time, Space and Gravitation by Robert D. Sadykov
11 posts  •  Nov. 28, 2008 @ 09:31 GMT

Reality - an emerging representation of the world by Martin A. Green
3 posts  •  Nov. 28, 2008 @ 09:31 GMT

A Derivation of the Speed of Light Postulate by Armin Nikkhah Shirazi
14 posts  •  Nov. 28, 2008 @ 09:31 GMT

A Practical Experiment to Observe the Direction of Time. by Kenneth M. Sasaki.
6 posts  •  Nov. 28, 2008 @ 09:31 GMT

Morphogenesis and dynamics of quantum state by Peter Leifer
3 posts  •  Nov. 28, 2008 @ 09:31 GMT

A Wild Guess On Time by Martin Franz Traub
1 post  •  Nov. 28, 2008 @ 09:30 GMT

No Time for Quarks! by Franklin Potter
2 posts  •  Nov. 28, 2008 @ 09:30 GMT

One time is not enough by Petr Frish
9 posts  •  Nov. 28, 2008 @ 09:30 GMT

Flowing with a Frozen River by Cristinel Stoica
122 posts  •  Nov. 26, 2008 @ 11:19 GMT

Time and Causality by William R. Wharton
11 posts  •  Nov. 26, 2008 @ 11:18 GMT

The Heuristic Significance of the Principle of General Relativity on the Nature of Time by Chris J Clyde
1 post  •  Nov. 25, 2008 @ 13:19 GMT

The Garden of Forking Paths: Time as an Expanding Labyrinth by Paul Halpern
17 posts  •  Nov. 25, 2008 @ 10:00 GMT

What if Time Really Exists? by Sean Carroll
52 posts  •  Nov. 24, 2008 @ 09:32 GMT

About Time by Hsiung Chia Tze
8 posts  •  Nov. 24, 2008 @ 09:32 GMT

Nature of Time in Physical Theories by Suresh V Kamath
4 posts  •  Nov. 24, 2008 @ 09:07 GMT

Testing Two-Dimensional Time by Michael Alekseevich Popov
5 posts  •  Nov. 21, 2008 @ 10:18 GMT

Absolutely -The Nature of Time and Beyond? by Stephen J Abrahams
9 posts  •  Nov. 21, 2008 @ 10:17 GMT

Time: Arrow or Boomerang? by Kenneth Bruce Lucas
1 post  •  Nov. 21, 2008 @ 10:17 GMT

Lessons from the Block Universe by Ken Wharton
39 posts  •  Nov. 21, 2008 @ 10:16 GMT

On the comprehension of time in continuum mechanics by Alexandre Paradis
1 post  •  Nov. 19, 2008 @ 09:36 GMT

TIME PARADOXES by JOSE J CURIEL
5 posts  •  Nov. 19, 2008 @ 09:36 GMT

Is there a physical mechanism responsible for what we perceive as time? by Chris Kennedy
51 posts  •  Nov. 19, 2008 @ 09:36 GMT

Emergent Time from Non-Associative Quantum Theory by Jens Koeplinger
20 posts  •  Nov. 19, 2008 @ 09:36 GMT

Time Traveling by Simuverses by Venerando Solis Barrado
7 posts  •  Nov. 17, 2008 @ 12:04 GMT

Nature Of Time by Iacob Suteu
5 posts  •  Nov. 17, 2008 @ 12:04 GMT

A Coherent Space-Time Model Derived From Principles of Electric Current by Jerome Cantor
1 post  •  Nov. 17, 2008 @ 12:04 GMT

About the Nature of Time by Pierre Sabatier
1 post  •  Nov. 14, 2008 @ 15:30 GMT

What Makes Time Special by Craig Adam Callender
17 posts  •  Nov. 14, 2008 @ 15:30 GMT

From time to timescape -- Einstein's unfinished revolution by David L. Wiltshire
37 posts  •  Nov. 14, 2008 @ 15:29 GMT

The Nature of Time: from a Timeless Hamiltonian Framework to Clock Time of Metrology by Enrico Prati
14 posts  •  Nov. 14, 2008 @ 15:29 GMT

Informational Time by Gunn Alex Quznetsov
22 posts  •  Nov. 14, 2008 @ 15:29 GMT

Granular geometry of space-time as a result of Newtonian investgation strategy by Yuri Rylov
2 posts  •  Nov. 13, 2008 @ 08:59 GMT

On the Nature of Time - Or Why Does Nature Abhor Deadlocks? by Christine Cordula Dantas
13 posts  •  Nov. 13, 2008 @ 08:59 GMT

Fundamental Mechanics by Keith Clemens
1 post  •  Nov. 13, 2008 @ 08:59 GMT

An Overview of the Nature of Time by Brian Fraser
20 posts  •  Nov. 10, 2008 @ 14:45 GMT

Clock boundary principle with respect to the role of time in laws of physics and its application to special relativity by Srdjan Mijatovic
1 post  •  Nov. 10, 2008 @ 14:45 GMT

daerengD Time Paradigm by Brian Beverly
91 posts  •  Nov. 6, 2008 @ 11:14 GMT

Constants of Nature, Dynamics of Time by Michael A. Sherbon
17 posts  •  Nov. 6, 2008 @ 11:14 GMT

Quantum Pseudokinematics by Myke Stanbridge
20 posts  •  Nov. 5, 2008 @ 11:03 GMT

Time Travel using hole teleportation by Constantin Zaharia Leshan
5 posts  •  Nov. 5, 2008 @ 10:43 GMT

Square Wheels Or Real Dynamics? by François Xavier Le Rouge
18 posts  •  Nov. 4, 2008 @ 12:59 GMT

The gravitation and thermodynamics by Alexander Fedorovich Silin
7 posts  •  Nov. 3, 2008 @ 10:38 GMT

Philosophical Quest for the Reality of Time by Sidi Cherkawi Benzahra
5 posts  •  Nov. 3, 2008 @ 10:38 GMT

Making Time With Pretty Girls and Hot Stoves by Don Limuti
10 posts  •  Nov. 3, 2008 @ 10:38 GMT

Stochastic Time and Temporal Non-locality by Toru Ohira
27 posts  •  Oct. 30, 2008 @ 10:34 GMT

The direction of time in quantum field theory by Peter Morgan
33 posts  •  Oct. 27, 2008 @ 09:12 GMT

This Time - What a Strange Turn of Events by Philip Gibbs
41 posts  •  Oct. 21, 2008 @ 09:19 GMT

Why Does Time “Flow” but Space Is? Answers in Evolution and Cognition by Harry E. Foundalis
2 posts  •  Oct. 21, 2008 @ 09:19 GMT

Instants, inertia and quantum motion by Shan Gao
12 posts  •  Oct. 14, 2008 @ 10:42 GMT

Time counts. by Thomas Howard Ray
29 posts  •  Oct. 13, 2008 @ 09:42 GMT

Nature of Time by Nainan K Varghese
1 post  •  Oct. 13, 2008 @ 09:42 GMT

Some Thoughts on Time by Matthew P. Kolasinski
18 posts  •  Oct. 13, 2008 @ 09:42 GMT

On the global existence of time by Ettore Minguzzi
8 posts  •  Oct. 13, 2008 @ 09:42 GMT

Relations between Space-time, Gravity and Consciousness by Amrit Srecko Sorli
6 posts  •  Oct. 10, 2008 @ 11:30 GMT

A Mystic Dream of Four by Douglas Bundy
219 posts  •  Oct. 10, 2008 @ 11:30 GMT

Does time exist in quantum gravity? by Claus Kiefer
35 posts  •  Oct. 6, 2008 @ 11:38 GMT

The Nature of Time by Christopher Randall Brown
6 posts  •  Oct. 6, 2008 @ 11:37 GMT

About the Nature of Time by Matti Juhani Pitkänen
17 posts  •  Oct. 2, 2008 @ 09:21 GMT

The Physical Nature Of Time by Paul N Butler
50 posts  •  Sep. 30, 2008 @ 08:36 GMT

Block time: Why many physicists still don't accept it? by Hrvoje Nikolic
49 posts  •  Sep. 24, 2008 @ 13:06 GMT

Mysteries of the Universe- a perspective by Narendra Nath
69 posts  •  Sep. 24, 2008 @ 11:59 GMT

The Here-and-Now by Clinton Kyle Miller
48 posts  •  Sep. 23, 2008 @ 13:33 GMT

On the nature of Time by Malcolm Macleod
1 post  •  Sep. 17, 2008 @ 13:39 GMT

Time in 3D by Harrison Saunders
2 posts  •  Sep. 17, 2008 @ 13:35 GMT

Time, Consciousness, and the Subjective Universe by Daegene Song
9 posts  •  Sep. 10, 2008 @ 09:41 GMT

On the Origin of Time by Rowan GRIGG
6 posts  •  Sep. 10, 2008 @ 09:36 GMT

Free will, undecidability, and the problem of time in quantum gravity by Rodolfo Gambini
14 posts  •  Sep. 10, 2008 @ 09:33 GMT

E8 Time by Frank Dodd Smith
5 posts  •  Sep. 5, 2008 @ 11:41 GMT

Density Operators and Time by Carl A Brannen
27 posts  •  Sep. 2, 2008 @ 14:43 GMT

Motivation for a Biophysical Metamathematics via Multiply Connected Phase Space by Robert C Arnold
2 posts  •  Aug. 27, 2008 @ 17:40 GMT

Ultimate Reality and Nonmaterial Origin Of Universe by Prem Nath Tiwari
68 posts  •  Aug. 25, 2008 @ 18:38 GMT

Time for a Change - The Instantaneous, Present and the Existence of Time by Peter Lynds
79 posts  •  Aug. 25, 2008 @ 18:38 GMT

Explaining Time by John Brodix Merryman
26 posts  •  Aug. 25, 2008 @ 18:38 GMT

Time as an Emergent Phenomenon: Traveling Back to the Heroic Age of Physics by Elliot McGucken
235 posts  •  Aug. 25, 2008 @ 18:38 GMT

"Forget time" by Carlo Rovelli
157 posts  •  Aug. 25, 2008 @ 18:36 GMT

Nature of Time by John Daniel Barrett
2 posts  •  Aug. 25, 2008 @ 18:36 GMT

Time Complementarity in the Inflaton Spacetime Model by Richard P Dolan
3 posts  •  Aug. 25, 2008 @ 18:36 GMT

Nature of time by Ralf Hofmann
5 posts  •  Aug. 25, 2008 @ 18:36 GMT

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