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#3
April 28th 13, 01:41 AM
posted to sci.physics,sci.astro
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Speed of Light May Not Be Constant, Phycisists Say | Cosmology& Astronomy | LiveScience
On 4/27/13 11:55 AM, Yousuf Khan wrote:
http://is.gd/AurlR4 Two papers, published in the European Physics Journal D in March, attempt to derive the speed of light from the quantum properties of space itself. Both propose somewhat different mechanisms, but the idea is that the speed of light might change as one alters assumptions about how elementary particles interact with radiation. Both treat space as something that isn't empty, but a great big soup of virtual particles that wink in and out of existence in tiny fractions of a second. Physics FAQ: Is The Speed of Light Constant? http://math.ucr.edu/home/baez/physic..._of_light.html Physics FAQ: Have physical constants changed with time? http://math.ucr.edu/home/baez/physic...constants.html 
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