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Length Expansion: A New Theory of Special Relativity
According to special 1) The laws of physics are invariant (identical) in all inertial frames of reference (that is, frames of reference with no acceleration), and 2) The speed of light in vacuum is the same for all observers, regardless of the motion of light source or observer.
Two effects of special relativity are assumed to be time dilation and length contraction. Time dilation is the difference in elapsed time as measured by two clocks, either because of a relative velocity between them (special relativity), or because of a difference in gravitational potential between the locations (general relativity). Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame.
I discovered a contradiction when I attempted to calculate the effects of relativity over time, and realized I had to rethink my assumptions.
The purpose of this document is to show that the previously accepted equation for length contraction in special relativity is incorrect; while an amended equation for length expansion is correct, and will be proven be so.
Two effects of special relativity are assumed to be time dilation and length contraction. Time dilation is the difference in elapsed time as measured by two clocks, either because of a relative velocity between them (special relativity), or because of a difference in gravitational potential between the locations (general relativity). Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame.
I discovered a contradiction when I attempted to calculate the effects of relativity over time, and realized I had to rethink my assumptions.
The purpose of this document is to show that the previously accepted equation for length contraction in special relativity is incorrect; while an amended equation for length expansion is correct, and will be proven be so.
24 pages, Kindle Edition
Published December 10, 2025
About the author
Thomas Welsh
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