New cosmologies converge on the ASC model

— a review of two cosmology papers presented at the International Conference on Creationism in 2018  (to be published in Journal of Creation)

Introduction

In 2001 Jason Lisle (under the pen name Robert Newton) introduced the idea of Anisotropic Synchrony Convention (ASC) into the discussion amongst biblical creationists to solve the starlight travel-time problem.1 The ASC is a convention on clock synchronisation, or put another way, the conventionality of the simultaneity of distant events in spacetime.

This topic is relevant to the discussion of the creation of the stars in the universe on Day 4 of Creation week 6 thousand years ago. The ASC posits that an event occurs when an Earth observer sees, or could have seen, the event happen. And Lisle proposed that the ASC is the language used in the Bible. As such it leads to the initial simultaneous2 creation of all stars in the universe on Day 4, where, in principle, the event is timestamped3 as occurring when the starlight from all stars arrived on Earth for the first time. This means there is no light travel-time problem because the events were seen to occur (on Earth) simultaneously (or at least, within the period of one Earth day, that is, on Day 4). Therefore, there is no light travel-time problem.

In 2010 Lisle strengthened his original arguments with a discussion of the past light cone and Special Relativity.4 In that paper he introduced the ASC model, a model that uses the ASC. And his ASC model makes testable predictions.5

Lisle also carried further the notion of the one-way speed of light. Since the one-way speed of light cannot be measured it really has no physical meaning in the universe.6 Thus there is a free choice. And by Lisle’s choice of the ASC it follows that the incoming speed of light is infinite, and thus the outgoing speed must be ½ c (where c ≡ 299 792 458 m/s is the canonical isotropic—i.e. two-way—speed of light that we are very familiar with).7

Many people, biblical creationists included, have expressed disbelief, concern, and other emotions over the concept of the one-way speed of light being any different from the usually assumed isotropic speed c. Nevertheless it is important to note that concepts around the one-way speed of light are based on real physics.

The choice of a timing convention in no way affects any underlying physics. The physics is always the same no matter what convention one may choose.8 Einstein chose a value of the clock synchronisation parameter, known as the Reichenbach synchronization parameter (ε), in his equations for Special Relativity that defines the one-way speed of light as being equal to the two-way speed.9 Any value for the parameter ε between 0 and 1 may be chosen. Nature itself does not choose, nor impose any requirement on its value within this domain. The parameter represents our free choice of a timing convention. Hence we are free to choose any value of the Reichenbach synchronisation parameter ε, provided it is between 0 and 1. Einstein chose ε = ½ (ESC) and Lisle chose ε = 1 (ASC). Choosing a value for this parameter is in no way dissimilar to a choice of a different coordinate system. And regardless of which coordinate system one may choose the underlying physics is unaffected. What is different is only how we represent the physics in the different coordinate system. The equations of motion may be more complex in one coordinate system than in another but in all cases the physics is unaffected.10

Thus no amount of appealing to Maxwell’s equations (derived pre-Einstein)11 or any other well-known physics can refute the notion of free choice for the one-way speed of light, or more precisely, the conventionality thesis of distant simultaneity. Continue reading

The Unreality of Time

Under book

In their book “The Singular Universe and the Reality of TimeRoberto Mangabeira Unger and Lee Smolin argue for the reality of time in the same way Lee Smolin does in his book “Time Reborn2. Smolin is a theoretical physicist and Unger a philosopher. Unger presents in the language of natural philosophy. His terminology is a bit opaque at times, which makes him sometimes difficult to follow but Smolin is much clearer, certainly from a physicist’s point of view. He uses the language of physics, though his naturalistic belief system is strongly evident.

Smolin bookIn “Time Reborn” Smolin cannot conceive of a universe created by an extant Creator, who imbued it with immutable laws. His mindset seems to be one that is shocked by the idea that this universe was prepared in a just-right state such that we can exist in it. And this occurs even when he is thinking in evolutionary terms. So to him the idea that the universe occurred just once with initial conditions and laws that allow life to exist is too shocking to contemplate. His answer is ‘evolution’. This universe evolved from a prior universe and its laws evolved along with it. Continue reading