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|May 07, 2007
|May 07, 2007
|The speed of light varies.<ref>http://www.conservapedia.com/index.php?title=Essay:Quantifying_Openmindedness&oldid=147388</ref>
|The speed of light varies.<ref>http://www.conservapedia.com/index.php?title=Essay:Quantifying_Openmindedness&oldid=147388</ref>
|Physicists point out that the [[Theory of Relativity]] and [[Isaac Newton|Newtonian]] physics both demonstrate that the speed of light varies depending on the medium through which it is travelling.
|Physicists point out that the [[Theory of Relativity]] and [[Isaac Newton|Newtonian]] physics both demonstrate that the speed of light varies depending on the medium through which it is traveling.
|"So it turns out the speed of light might not be constant after all." <ref>https://www.newscientist.com/article/dn6092-speed-of-light-may-have-changed-recently</ref><ref>http://www.extremetech.com/extreme/184879-einsteinian-error-the-25-year-old-supernova-that-could-change-the-speed-of-light-forever</ref> Research shows that due to the impossibility of a perfect vacuum the idealized concept of 'the speed of light in a vacuum' cannot be achieved in practice.
|"So it turns out the speed of light might not be constant after all." <ref>https://www.newscientist.com/article/dn6092-speed-of-light-may-have-changed-recently</ref><ref>http://www.extremetech.com/extreme/184879-einsteinian-error-the-25-year-old-supernova-that-could-change-the-speed-of-light-forever</ref> Research shows that due to the impossibility of a perfect vacuum the idealized concept of 'the speed of light in a vacuum' cannot be achieved in practice.
|March 25, 2013
|March 25, 2013