Speculations on Relativity — Especulaciones sobre relatividad

Francisco Martínez
8 min readJun 1, 2024

Speculations on Relativity

Question: An electromagnetic wavefront cannot measure the speed of an object because, from the wave’s point of view, velocity does not exist.

ChatGPT’s Response: I understand your point. The velocity of an object cannot be measured from the perspective of an electromagnetic wave because, according to Einstein’s special relativity, electromagnetic waves, such as light, always travel at a constant speed (the speed of light, c) in a vacuum, regardless of the observer’s frame of reference. Relative velocity makes no sense from the wave’s perspective since it always perceives itself as moving at c, irrespective of the object’s speed.

Question: Then, from the point of view of an electromagnetic wavefront, there are no distances or time. These two factors define the velocity of an object.

ChatGPT’s Response: Exactly, from the point of view of an electromagnetic wavefront (like light), distances and time do not exist. According to relativity theory, for a photon (the particle that constitutes light), time does not pass, and distances in its direction of travel contract to zero. This implies that concepts like velocity, which depend on the measurement of time and distance, do not make sense from this perspective. The velocity of an object requires an observer in a frame of reference where time and distance are definable and measurable.