The Pseudoscience of Time Travel: Andrew Knight’s Case Against Past Travel

(1) Andrew Knight, J.D (aknight@alum.mit.edu)

Table of Links

I. Introduction

II. Pseudoscience

III. Unidentified Assumption

IV. False Assumption

V. Objection

VI. Conclusion and References

Because closed timelike curves are consistent with general relativity, many have asserted that time travel into the past is physically possible if not technologically infeasible. However, the possibility of time travel into the past rests on the unstated and false assumption that zero change to the past implies zero change to the present. I show that this assumption is logically inconsistent; as such, it renders time travel into the past both unscientific and pseudoscientific.

I. INTRODUCTION

The possibility of time travel into the past is a staple of science fiction but is also taken seriously by the physics academy. For instance, “closed timelike curves,” the physicist’s phrase for time travel, are discussed widely in the physics literature [1–8].

Far from relegating time travel to science fiction,...

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