Cosmic speed limit.

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Bibliographic Details
Title: Cosmic speed limit.
Authors: Crane, Leah (AUTHOR)
Source: New Scientist. 11/8/2025, Vol. 268 Issue 3568, p20-20. 1p.
Subjects: Speed of light, Frames of reference (Relativity), Causation (Philosophy), Historical analysis, Synchronization
Abstract: The article discusses the concept of simultaneity in the context of the speed of light, emphasizing that there is no objective simultaneity due to the finite speed at which light travels. It traces the historical attempts to measure the speed of light, culminating in the currently accepted value of 299,792,458 meters per second, and explains the implications of this speed limit on our understanding of causality in physics. The author highlights that events perceived as simultaneous can differ based on the observer's frame of reference, leading to the conclusion that "the same time" is not a universal concept. [Extracted from the article]
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Database: Engineering Source
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Abstract:The article discusses the concept of simultaneity in the context of the speed of light, emphasizing that there is no objective simultaneity due to the finite speed at which light travels. It traces the historical attempts to measure the speed of light, culminating in the currently accepted value of 299,792,458 meters per second, and explains the implications of this speed limit on our understanding of causality in physics. The author highlights that events perceived as simultaneous can differ based on the observer's frame of reference, leading to the conclusion that "the same time" is not a universal concept. [Extracted from the article]
ISSN:02624079