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Journal articles on the topic 'Relativity of simultaneity'

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Published: 4 June 2025
Last updated: 6 July 2025

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1

White, V. Alan. "Relativity and Simultaneity Redux." Philosophy 68, no. 265 (1993): 401–4. http://dx.doi.org/10.1017/s0031819100041310.

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2

Herbert, R. T. "The Relativity of Simultaneity." Philosophy 62, no. 242 (1987): 455–71. http://dx.doi.org/10.1017/s0031819100039036.

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In connection with the special theory of relativity, Einstein made use of a now familiar thought experiment1 involving two lightning flashes, a railway train, and an embankment. Whether he used it merely to help explain the theory to others or whether it played a role in the theory's very generation as well is perhaps a matter of conjecture. However, physicist Richard Feynman, for one, believes that Einstein first conceived his theories in the visualizations of thought experiments and developed their mathematical formulations afterwards. According to a recent magazine essay, ‘Einstein came to an understanding about relativity by imagining people going up in elevators and beaming light back and forth between rocket ships.
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3

Janis, Allen I. "Simultaneity, relativity and conventionality." Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39, no. 1 (2008): 217–24. http://dx.doi.org/10.1016/j.shpsb.2007.10.001.

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4

Xinghong, Wang. "AN EXTENDED DISCUSSION ON THE RELATIVITY OF SIMULTANEITY." International Journal of Scientific Research and Modern Education (IJSRME) 6, no. 2 (2021): 17–20. https://doi.org/10.5281/zenodo.5590314.

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This article studies the relativity of simultaneity and finds that the relativity of simultaneity will cause "the relativity of existence". It also leads to multiple universes in the real world. Or it will result in "the absence of practical choices" and "the loss of practical possibilities". Also, the relativity of simultaneity will lead to a predestined world and denies the existence of human being free-will choice, the existence of accidental random events, and the existence of probability factors and uncertainty in quantum mechanics.
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5

田, 树勤. "Simultaneity of Relativity Re-Exploration." Modern Physics 04, no. 04 (2014): 57–61. http://dx.doi.org/10.12677/mp.2014.44008.

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6

Siam, C., A. Hazarika, and J. Saikia R. Mahanta G. D. Baruah. "Einsteins Relativity, Simultaneity and Young’s Double Slit Experiment." International Journal of Trend in Scientific Research and Development Volume-1, Issue-4 (2017): 576–79. http://dx.doi.org/10.31142/ijtsrd2215.

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7

Ben-Yami, Hanoch. "Absolute Distant Simultaneity in Special Relativity." Foundations of Physics 49, no. 12 (2019): 1355–64. http://dx.doi.org/10.1007/s10701-019-00306-7.

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Abstract What is simultaneous with an event is what can interact with it; events have duration; therefore, any given event has distant events simultaneous with it, even according to Special Relativity. Consequently, the extension of our pre-relativistic judgments of distant simultaneity are largely preserved.
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8

Xinghong, Wang. "A DISCUSSION ON THE RELATIVITY OF SIMULTANEITY." International Journal of Scientific Research and Modern Education (IJSRME) 6, no. 2 (2021): 15–16. https://doi.org/10.5281/zenodo.5568917.

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This article studies the situations when 2 beams of lasers are emitted from each end of a rod to the middle point of the rod when the rod is static or moving. When observers are located in different places, whether the 2 beams of light reach the middle point at the same time can be unsure. This could previously be explained by “The relativity of simultaneity”. But we can connect the incident whether the 2 beams of light reach the middle point simultaneously with a physical result. Then we will find whether this physical result happens or not should never be determined by where the observer is located, so whether the 2 beams of light reach middle point at the same time should not be unsure. Thus “The relativity of simultaneity” is not a valid theory and theory of relativity is problematic.
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9

Bergson, Henri, and Heath Massey. "Remarks on the Theory of Relativity (1922)." Journal of French and Francophone Philosophy 28, no. 1 (2020): 167–72. http://dx.doi.org/10.5195/jffp.2020.904.

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On April 22, 1922, the Societé française de Philosophie hosted Albert Einstein for a discussion of the theory of relativity. In the course of this discussion, Henri Bergson, who was at that time writing Duration and Simultaneity, which explored some of the philosophical implications of Einstein's theory, was asked to share his thoughts. The resulting remarks offer a glimpse into Bergson's analysis of the concept of simultaneity, and Einstein's brief reply reveals his insistence that time itself, not just "the physicist's time," is relative.
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10

Traill, Declan. "The Problem With the Relativity of Simultaneity." Applied Physics Research 14, no. 1 (2022): 26. http://dx.doi.org/10.5539/apr.v14n1p26.

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Relativity claims that the simultaneity between two (or more) observers, each traveling in different Inertial Reference Frames (IRFs) is such that for two spaceships moving through space at a high-speed relative to one another “inside the frame of reference of Ship A, everything is moving normally, but everything over on Ship B appears to be moving slower (and vice versa)”. However, as I will explain, this interpretation leads to an inconsistency which cannot be true. I point out the error being made in the interpretation of Minkowski diagrams that leads to this inconsistency, and how the diagram should be interpreted to correct this error. This paper demonstrates that a moving object’s rate of time is determined based on its speed relative to a stationary reference frame and that the light signals propagating between objects (from which observers can determine the other object’s rate of time) move at the speed of light c with respect to this stationary frame. If two objects are moving at the same speed through the stationary frame (but in different directions to each other) then they will have the same degree of time dilation and will thus have the same rate of time, despite the relative motion that exists between them.
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11

Bowman, Gary E. "Gedanken experiments and the relativity of simultaneity." European Journal of Physics 26, no. 6 (2005): 1093–99. http://dx.doi.org/10.1088/0143-0807/26/6/017.

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12

Minguzzi, E. "Simultaneity and generalized connections in general relativity." Classical and Quantum Gravity 20, no. 11 (2003): 2443–56. http://dx.doi.org/10.1088/0264-9381/20/11/332.

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13

Coleman, C. F. "When is simultaneity transitive in special relativity?" European Journal of Physics 10, no. 3 (1989): 235–36. http://dx.doi.org/10.1088/0143-0807/10/3/115.

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14

Redfern, Francis. "Moving dipoles and the relativity of simultaneity." Canadian Journal of Physics 97, no. 2 (2019): 125–32. http://dx.doi.org/10.1139/cjp-2017-0831.

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An observer moving parallel to a current-carrying wire detects an electric field due to the Lorentz transformation directed either toward or away from the wire, depending on the relative motion of observer and current. The accepted interpretation of this situation as viewed from the observer’s rest frame is that there is a net linear charge density on the wire. The Lorentz contraction of the separation of fixed ions and charge carriers is different due to their different speeds in the observer’s frame. The idea that a net charge exists on a wire in a reference frame moving parallel to the wire leads to the expectation that there is a charge separation seen on a moving current loop, resulting in paradoxes, such as that proposed by Mansuripur. I argue that the apparent charge on a current-carrying wire is due to a misinterpretation of the Lorentz transformation and is a consequence of the relativity of simultaneity. Given this insight, the nature of the fields of moving dipoles and the nature of the magnetization–polarization tensor are investigated.
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15

Garner, Andrew J. P., Markus P. Müller, and Oscar C. O. Dahlsten. "The complex and quaternionic quantum bit from relativity of simultaneity on an interferometer." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 473, no. 2208 (2017): 20170596. http://dx.doi.org/10.1098/rspa.2017.0596.

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The patterns of fringes produced by an interferometer have long been important testbeds for our best contemporary theories of physics. Historically, interference has been used to contrast quantum mechanics with classical physics, but recently experiments have been performed that test quantum theory against even more exotic alternatives. A physically motivated family of theories are those where the state space of a two-level system is given by a sphere of arbitrary dimension. This includes classical bits, and real, complex and quaternionic quantum theory. In this paper, we consider relativity of simultaneity (i.e. that observers may disagree about the order of events at different locations) as applied to a two-armed interferometer, and show that this forbids most interference phenomena more complicated than those of complex quantum theory. If interference must depend on some relational property of the setting (such as path difference), then relativity of simultaneity will limit state spaces to standard complex quantum theory, or a subspace thereof. If this relational assumption is relaxed, we find one additional theory compatible with relativity of simultaneity: quaternionic quantum theory. Our results have consequences for current laboratory interference experiments: they have to be designed carefully to avoid rendering beyond-quantum effects invisible by relativity of simultaneity.
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16

C., Siam, Hazarika A., Saikia J., Baruah G.D., and Mahanta R. "Einsteins Relativity, Simultaneity and Young's Double Slit Experiment." International Journal of Trend in Scientific Research and Development 1, no. 4 (2017): 576–79. https://doi.org/10.31142/ijtsrd2215.

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In the present work we have discussed the well known topic of simultaneous passing of photon through both the slit of Young double slit experiment. With the help of the example of Newton's sailor in the special theory of relativity we have shown that Feynman's statement in the quantum version of Young's double slit experiment regarding the simultaneous passage of a photon through both the slits simultaneously needs to be qualified. C. Siam | A. Hazarika | J. Saikia | R. Mahanta | G.D. Baruah "Einstein's Relativity, Simultaneity and Young's Double Slit Experiment" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-1 | Issue-4 , June 2017, URL: https://www.ijtsrd.com/papers/ijtsrd2215.pdf
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17

Brogaard, B., and K. Marlow. "Is the relativity of simultaneity a temporal illusion?" Analysis 73, no. 4 (2013): 635–42. http://dx.doi.org/10.1093/analys/ant070.

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18

Jhou, Nihel. "Exclusive disjunctivism – Presentness without simultaneity in special relativity." Analysis 77, no. 3 (2017): 541–50. http://dx.doi.org/10.1093/analys/anx088.

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19

D. Deines, Steven. "Simultaneity, Chronometrology, and the Two Postulates of Relativity." International Journal of Applied Mathematics and Theoretical Physics 3, no. 3 (2017): 43. http://dx.doi.org/10.11648/j.ijamtp.20170303.11.

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20

Spavieri, Gianfranco. "Light Propagation on a Moving Closed Contour and the Role of Simultaneity in Special Relativity." European Journal of Applied Physics 3, no. 4 (2021): 48–53. http://dx.doi.org/10.24018/ejphysics.2021.3.4.99.

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We consider an example of a moving closed contour and the role played by simultaneity in the description of light propagation on the contour's moving sections. We show that, when constrained to propagate along the contour, the local speed of light on a moving section is no longer arbitrary and a consistent description requires conservation of simultaneity.
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21

Muller, F. A. "The relativity of simultaneity is not a temporal illusion." Analysis 74, no. 2 (2014): 232–33. http://dx.doi.org/10.1093/analys/anu037.

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22

Bolós, Vicente J. "Lightlike simultaneity, comoving observers and distances in general relativity." Journal of Geometry and Physics 56, no. 5 (2006): 813–29. http://dx.doi.org/10.1016/j.geomphys.2005.05.001.

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23

Huggins, Elisha. "Special Relativity in Week One: 4) Lack of Simultaneity." Physics Teacher 49, no. 6 (2011): 340–42. http://dx.doi.org/10.1119/1.3628255.

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24

Ronald Anderson, S. J., and Geoffrey E. Stedman. "Distance and the conventionality of simultaneity in special relativity." Foundations of Physics Letters 5, no. 3 (1992): 199–220. http://dx.doi.org/10.1007/bf00692800.

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25

Gift, Stephan J. G. "Relative simultaneity does not exist." Physics Essays 33, no. 4 (2020): 515–18. http://dx.doi.org/10.4006/0836-1398-33.4.515.

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Relative simultaneity predicted by special relativity is shown to be false. This is done by demonstrating inconsistency arising from this prediction. The well-known train-embankment thought experiment fails to demonstrate the phenomenon and global simultaneity as exists in the Global Positioning System invalidates the prediction.
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26

dos Santos Godoi, Valdir Monteiro. "Simultaneity, Relativistic Time and Galileo Transformations." International Frontier Science Letters 3 (January 2015): 19–31. http://dx.doi.org/10.18052/www.scipress.com/ifsl.3.19.

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It is shown that the theory of Restrict Relativity it’s not free of contradictions, being one of them related to the relativity of simultaneity. Another contradiction occurs when we calculate the light speed in relation to a moving reference using the contraction of space and dilation of time, because it is verified that the speed of light depends on the speed of the referential. It is also shown that for slow speeds, but great distances, that Lorentz’s transformation for the time does not reduces itself to their Galileo transformation, subject not explore further on most books of scientific disclosure and even academic.
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27

dos Santos Godoi, Valdir Monteiro. "On the Contradictions of Relativity of Simultaneity and the Synchronism of Clocks." International Frontier Science Letters 1 (July 2014): 47–63. http://dx.doi.org/10.18052/www.scipress.com/ifsl.1.47.

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It is shown that the Theory of Special Relativity is not a theory free of contradictions. Putting apart our ingenious idea about clocks in a point (infinitesimal clocks), it is proved there are contradictions deriving from the synchronism of clocks. Other contradictions refer to the concept of relativity of simultaneity. One of these contradictions is proved through the idea of idealized experience: a simultaneous emission of two photons. Simultaneity related to an inertial frame of reference (inertial system) considered in movement, but whose system in movement stops moving between the first and the second emissions with respect to the steadied system (stationary system), ending up the experience “beforehand”. Only one photon would have been emitted with respect to the system in movement, which would make our prior hypotheses contradictory.
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28

Sazonenko, I. O., and V. I. Sazonenko. "Special theory of relativity: a view of an external observer." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 4 (January 20, 2020): 26–30. http://dx.doi.org/10.21122/1683-6065-2019-4-26-30.

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Based on the generally accepted presentation of the ideas of the private theory of relativity, examples of relative simultaneity and superluminal speed are considered. A variant of the ban on travel to the past in inertial reference systems is proposed.
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29

Boyd, Jeffrey. "Decrypting the Central Mystery of Quantum Mathematics:." JOURNAL OF ADVANCES IN MATHEMATICS 17 (November 9, 2019): 332–51. http://dx.doi.org/10.24297/jam.v17i0.8491.

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 We live in a world, half of which consists of invisible elementary waves, of which we know very little. They are not electromagnetic waves: they travel in the opposite direction and convey no energy. What is the medium in which they travel? Franco Selleri (1936-2013) of University of Bari, Italy, devoted his career to answering that question. He developed his own theory of relativity. Zero energy quantum waves travel in Lorentz aether at rest. His relativity differs from Einstein’s Theory of Special Relativity (TSR) in terms of Absolute Simultaneity. If two events are simultaneous for one observer, they are simultaneous for all observers. Although this contradicts TSR, international treaties have adopted Absolute Simultaneity as the basis for coordinating all atomic clocks to the nanosecond. Atomic clocks control all other clocks. Absolute simultaneity is essential for commerce and computer networks.. Selleri’s relativity can be divided into two parts: time and aether. Time can be understood without ever speaking of the speed of light. When it comes to aether, a subject rarely mentioned today, it appears to be Isaac Newton’s absolute time and space, modified to fit the Lorentz transformations and the non-Euclidean curved space of Einstein’s General Relativity.
 
 
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30

Turner, Jason. "Why Special Relativity is a Problem for the A-Theory." Philosophical Quarterly 70, no. 279 (2019): 385–406. http://dx.doi.org/10.1093/pq/pqz051.

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Abstract Neither special nor general relativity make any use of a notion of absolute simultaneity. Since A-Theories about time do make use of such a notion, it is natural to suspect that relativity and A-Theory are inconsistent. Many authors have argued that they are in fact not inconsistent, and I agree with that diagnosis here. But that doesn’t mean, as these authors seem to think, that A-Theory and relativity are happy bedfellows. I argue that relativity gives us good reason to reject the A-Theory, even though strict inconsistency isn’t that reason.
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31

Ghosal, S. K., Biplab Raychaudhuri, Anjan Kumar Chowdhury, and Minakshi Sarker. "Conventionality of Simultaneity and the Tippe Top Paradox in Relativity." Foundations of Physics Letters 16, no. 6 (2003): 549–63. http://dx.doi.org/10.1023/b:fopl.0000012782.24102.9a.

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32

Robinson, G., and J. V. Denholm. "Einstein’s train on the embankment and the relativity of simultaneity." American Journal of Physics 54, no. 8 (1986): 747–49. http://dx.doi.org/10.1119/1.14470.

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33

Havas, Peter. "Simultaneity, conventialism, general covariance, and the special theory of relativity." General Relativity and Gravitation 19, no. 5 (1987): 435–53. http://dx.doi.org/10.1007/bf00760649.

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34

JHO, Hunkoog, Youngrae JI, Wooseok CHOI, and Jinwoong SONG*. "Analysis of Undergraduate Students’ Understanding of the Relativity of Simultaneity." New Physics: Sae Mulli 66, no. 5 (2016): 571–79. http://dx.doi.org/10.3938/npsm.66.571.

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35

Schweinsberg, Stephen, and Simon Darcy. "Climate Change, Time and Tourism Knowledge: The Relativity of Simultaneity." Sustainability 14, no. 23 (2022): 16220. http://dx.doi.org/10.3390/su142316220.

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Climate clocks are currently ticking down to a point in time when it will be impossible to arrest the rate of CO2 emissions within the bounds of the parameters set by the Paris Climate Agreement. The tourism academy has been at the forefront of efforts to draw attention to the climate threat and to develop adaptation and mitigation responses in conjunction with industry. However, whilst the tourism academy is generally said to be in lock-step with the urgency of the climate threat and tourism’s need to respond, outliers do exist. Why might a tourism scholar view the urgency of the climate threat differently from his or her colleagues? Drawing on conceptual insights from Einstein’s Special Theory of Relativity, the present paper explores the sociological framing of time in relation to tourism academics and the implications for the development of a tourism knowledge force-field as a foundation for tourism knowledge creation.
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36

Danis, Francois. "Limits and Potentials of Special Relativity." Applied Physics Research 16, no. 2 (2024): 112. http://dx.doi.org/10.5539/apr.v16n2p112.

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This paper presents the application of special relativity to different thought experiments. Some issues will be noted and a modification of special relativity will be presented. That modification can be tested and one interpretation of the preliminary result supports the modification. After presenting the history of special relativity, the non-simultaneity of special relativity is questioned in our macro world. In addition, some issues between light-clocks and the application of Lorentz transformation are presented. All this indicates that there is something not right with special relativity. A new proposal is presented based on an adaptation of special relativity; this new proposal solves the anomalies and could be a solution to the twin paradox. It has a prediction: a difference with special relativity which has been tested with a new experiment and the preliminary results support the new proposal. Previously, a lack of special relativistic effects has been observed in the universe [Davis et al., 2004]; that second observation is also explained with the new proposal.
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37

Ghosal, S. K., K. K. Nandi, and Papia Chakraborty. "Passage from Einsteinian to Galilean Relativity and Clock Synchrony." Zeitschrift für Naturforschung A 46, no. 3 (1991): 256–58. http://dx.doi.org/10.1515/zna-1991-0307.

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AbstractThere is a general belief that under small velocity approximation. Special Relativity goes over into Galilean Relativity. Should this be interpreted exclusively in terms of the kinematical symmetry transformations (Lorentz vs. Galilei) a misconception could easily arise that would stem from overlooking the role of conventionality ingredients of Special Relativity Theory. It is observed that the small velocity approximation cannot alter the convention of distant simultaneity. In order to exemplify this point further, the Lorentz transformations are critically compared, under the same approximation, with two other space time transformations, one of which represents an Einstein world with Galilean synchrony whereas the other describes a Galilean world with Einsteinian synchrony
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38

Spavieri, Gianfranco, Miguel Rodriguez, and Arturo Sanchez. "Testing Absolute vs Relative Simultaneity with the Spin-orbit Interaction and the Sagnac Effect." Applied Physics Research 11, no. 4 (2019): 59. http://dx.doi.org/10.5539/apr.v11n4p59.

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All the experiments supporting special relativity (SR) formulated with Einstein synchronization support as well SR with absolute synchronization, if the corresponding coordinate transformations foresee time dilation and length contraction. We first test absolute vs relative simultaneity with a non-relativistic model of the spin-orbit interaction by taking into account either the effect of the electron hidden momentum or the relativistic effect of the Thomas precession, based on
 non-conservation of simultaneity. As second test, we consider a thought experiment equivalent to the Sagnac effect, where a clock measures the time taken by a counter-propagating light signal to perform a round trip on a closed path. While these experiments are coherently described with absolute simultaneity, the result of our tests points out inconsistencies in the case of relative simultaneity, thus favoring the formulation of SR with absolute synchronization, while advocating that
 further research and tests on simultaneity are needed for the comprehension of relativistic theories.
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39

Spavieri, Gianfranco, George T. Gillies, and Espen Gaarder Haug. "The Sagnac effect and the role of simultaneity in relativity theory." Journal of Modern Optics 68, no. 4 (2021): 202–16. http://dx.doi.org/10.1080/09500340.2021.1887384.

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40

Styrman, Avril. "Relativity vs. absolute simultaneity: Varying flow of time or varying frequency?" Physics Essays 31, no. 3 (2018): 256–64. http://dx.doi.org/10.4006/0836-1398-31.3.256.

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41

Scherr, Rachel E., Peter S. Shaffer, and Stamatis Vokos. "Student understanding of time in special relativity: Simultaneity and reference frames." American Journal of Physics 69, S1 (2001): S24—S35. http://dx.doi.org/10.1119/1.1371254.

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42

Kipreos, Edward T., and Riju S. Balachandran. "An approach to directly probe simultaneity." Modern Physics Letters A 31, no. 26 (2016): 1650157. http://dx.doi.org/10.1142/s0217732316501571.

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The theory of special relativity derives from the Lorentz transformation. The Lorentz transformation implies differential simultaneity and light speed isotropy. Experiments to probe differential simultaneity should be able to distinguish the Lorentz transformation from a kinematically-similar alternate transformation that predicts absolute simultaneity, the absolute Lorentz transformation. Here, we describe how published optical tests of light speed isotropy/anisotropy cannot distinguish between the two transformations. We show that the shared equations of the two transformations, from the perspective of the “stationary” observer, are sufficient to predict null results in optical resonator experiments and in tests of frequency changes in one-way light paths. In an influential 1910 exposition on differential simultaneity, Comstock described how a “stationary” observer would observe different clock readings for spatially-separated “moving” clocks. The difference in clock readings is an integral aspect of differential simultaneity. We derive the equation for the difference in clock readings and show that it is equivalent to the Sagnac correction that describes light speed anisotropies in satellite communications. We describe an experimental strategy that can measure the differences in spatially-separated clock times to allow a direct probe of the nature of simultaneity.
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43

Wu, Jingshown, and Hen-Wai Tsao. "Simultaneity can be nonrelative." Physics Essays 37, no. 2 (2024): 153–58. http://dx.doi.org/10.4006/0836-1398-37.2.153.

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Einstein uses a train embankment case to interpret the concept of the relativity of simultaneity. In this article, we present a few situations showing that simultaneity can be nonrelative. Suppose that frame H with coordinates (x, y, z, t) is fixed on a railway, where the x-axis and the railway coincide, and similarly, frame H′ with coordinates (x′, y′, z′, t′) is attached to a train uniformly moving along the railway, where the x′-axis and the train coincide; i.e., the train moves along the x- and x′-axes. On a transverse plane in H, events occurring at points equidistant from the x-axis occur simultaneously, and nearby observers emit light signals toward observer M on the x-axis and another observer M′ on the x′-axis. The distances between M and all event locations are the same. Additionally, M′ is equidistant from all event locations. Clearly, M′ receives all signals simultaneously. Similarly, M perceives that all events occur at the same time; i.e., simultaneity is not necessarily relative. In addition, we perform an elaborate study of the distinction between the occurrence time and the transmission time. The results suggest that when the transmission time is considered for measuring the occurrence time, simultaneity can be nonrelative.
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44

Lundberg, Randolph. "Simultaneity, language, and experience." Physics Essays 36, no. 2 (2023): 173–89. http://dx.doi.org/10.4006/0836-1398-36.2.173.

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As part of his special theory of relativity, Einstein introduced two definitions of the word “simultaneity”—the coordinated-clocks definition in his famous 1905 paper and the mid-point definition in his 1916 book. Einstein never discussed the relation between these two definitions. Neither has anyone else, to my knowledge. I show that these definitions are not equivalent because they have different scopes of applicability, but that they are equivalent wherever both apply. My proof of this partial equivalence is a corollary of my proof that both of Einstein’s definitions clash with the natural ticking of monochromatic light, which I call an electromagnetic wave clock. Einstein disparaged the idea of absolute simultaneity, but the reasons he gave were not good ones. He suggested that the idea originated in a confusion between happening simultaneously and being seen simultaneously. This thesis is dubious. It is also irrelevant, because an idea that originates in a confusion need not be a confused idea. He suggested that there could be no experimental test for absolute simultaneity. I refute this suggestion by describing an experimental test for absolute simultaneity, which I call the melt-mark test. The empirical credentials of Einstein’s definitions are not superior to those of absolute simultaneity. Einstein writes as if he can banish the idea of absolute “simultaneity” by merely giving the word “simultaneity” a new meaning. But many words have multiple meanings; Einstein merely made simultaneity such a word. The meanings of “simultaneity” that there is reason to disparage are Einstein’s definitions, because they clash with the electromagnetic wave clock. None of these points is properly appreciated by today’s physics community, where Einstein’s assertions about simultaneity continue to enjoy broad acclaim. Physical theories that employ the idea of absolute simultaneity are often wrongly rejected because they do.
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45

Qin, Sheng. "A Possible Explanation for the Twin Paradox and Action at a Distance: The Relative Independence of Space and the Absoluteness of Simultaneity." Journal of Physical Chemistry & Biophysics 12, no. 3 (2022): 9. https://doi.org/10.5281/zenodo.14604311.

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This paper is mainly based on a stricter premise of the twin paradox and the assumption of inertial frame, discusses the properties of time and space under the premise of complete symmetry, and draws an interesting conclusion: The simultaneity of different reference frames is possible realized, and the space is relatively independent. And based on this, the twin paradox, cosmic inflation, ultra-distance action of quantum entanglement, microscopic space motion of particles, measurement problems and other phenomena are tentatively explained from a new angle. This interpretation is exploratory and new. At the same time, the author also proposes an experimental way to test the relative independence of space. At the same time, this paper attempts to strictly prove that Einstein's definition of simultaneity and spatial absoluteness in special relativity may be problematic.
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46

Gjurchinovski, Aleksandar. "Relativistic aberration of light as a corollary of the relativity of simultaneity." European Journal of Physics 27, no. 4 (2006): 703–8. http://dx.doi.org/10.1088/0143-0807/27/4/002.

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47

Sfarti, A. "Application of particle accelerators for the experimental measurement of relativity of simultaneity." International Journal of Nuclear Energy Science and Technology 11, no. 1 (2017): 72. http://dx.doi.org/10.1504/ijnest.2017.085081.

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48

Sfarti, A. "Application of particle accelerators for the experimental measurement of relativity of simultaneity." International Journal of Nuclear Energy Science and Technology 11, no. 1 (2017): 72. http://dx.doi.org/10.1504/ijnest.2017.10005996.

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49

Iyer, Chandru, and G. M. Prabhu. "Time dilation and the equivalence of inertial frames." Physics Essays 36, no. 3 (2023): 277–86. http://dx.doi.org/10.4006/0836-1398-36.3.277.

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It is well known that simultaneity within an inertial frame is defined in relativity theory by a convention or definition. This definition leads to different simultaneities across inertial frames and the well-known principle of relativity of simultaneity. The lack of a universal present implies the existence of past, present, and future as a collection of events on a four-dimensional manifold or continuum wherein three dimensions are space like and one dimension is time like. However, such a continuum precludes the possibility of evolution of future from the present as all events exist “forever” so to speak on the continuum with the tenses past, present, and future merely being perceptions of different inertial frames. Such a far-reaching ontological concept, created by a mere convention, is yet to gain full acceptance. In this paper, we present arguments in favor of an absolute present, which means simultaneous events are simultaneous in all inertial frames, and subscribe to evolution of future from the present.
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50

Guedes, Fagner Lopes, Damião Pedro Meira Filho, Jorge Kysnney Santos Kamassury, et al. "Some aspects about lorentz transformations." Latin American Journal of Development 4, no. 4 (2022): 1410–24. http://dx.doi.org/10.46814/lajdv4n4-007.

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In the perspective to guiding undergraduate students on advanced topics in theoretical physics, this article approaches a brief study about some aspects of the Lorentz transformations. The two fundamental postulates of Einstein's Theory of Special Relativity (or special relativity) are explained. The detailed process of constructing the Lorentz transformations and in particular the transformations performed considering the rectilinear and uniform motion of a frame of reference in relation to the other along the x-axis direction are presented. Some consequences resulting from Lorentz transformations such as Length contraction, Time dilation and the Relativity of simultaneity are highlighted.
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