Is speed of light really constant?
Best insight from top research papers
The speed of light is not constant according to the abstracts provided. Van Royen argues that the Big Bang theory implies a decreasing speed of light, which is consistent with the observed acceleration of the expansion of the Universe . Dongfang introduces the unitary principle and proposes that the relative velocity of light is variable, while the speed of light in an isolated reference frame is constant . Smeulders supports a variable speed of light based on indirect measurements and shows that General Relativity and Quantum Mechanics remain valid with a varying speed of light . Tadesse suggests that a fusion of the emission theory and the ether theory can explain most experiments on the speed of light, and proposes the Apparent Source Theory . Finally, another abstract confirms Einstein's postulate of constant speed of light and explains the mechanism behind it .
Answers from top 4 papers
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| Papers (4) | Insight |
|---|---|
| The paper states that the speed of light in an isolated reference frame is constant, but the relative speed of light in vacuum is variable. | |
| The paper argues that the speed of light is not constant based on the assumptions and equations of Big Bang theory. It predicts a decrease in the present-day speed of light and suggests that more precise laboratory measurements should be carried out. | |
| The paper confirms that the speed of light is indeed constant for all reference frames, as stated by Einstein's postulate. | |
| The paper suggests that the speed of light is not a constant and provides evidence that it may vary over time. |
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