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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]
Copyright of New Scientist is the property of New Scientist Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Periodical
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  Data: Cosmic speed limit.
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  Data: <searchLink fieldCode="AR" term="%22Crane%2C+Leah%22">Crane, Leah</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22New+Scientist%22">New Scientist</searchLink>. 11/8/2025, Vol. 268 Issue 3568, p20-20. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Speed+of+light%22">Speed of light</searchLink><br /><searchLink fieldCode="DE" term="%22Frames+of+reference+%28Relativity%29%22">Frames of reference (Relativity)</searchLink><br /><searchLink fieldCode="DE" term="%22Causation+%28Philosophy%29%22">Causation (Philosophy)</searchLink><br /><searchLink fieldCode="DE" term="%22Historical+analysis%22">Historical analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Synchronization%22">Synchronization</searchLink>
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  Data: 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]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of New Scientist is the property of New Scientist Ltd. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=189115164
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        Text: English
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      – SubjectFull: Speed of light
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      – SubjectFull: Frames of reference (Relativity)
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              Text: 11/8/2025
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