posted by Plus @ 1:15 PM
- At 2:36 PM, Shelly said...
Why? Is there any theoretical proof?
- At 4:50 AM, Seeley said...
- At 9:42 AM, said...
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- At 9:49 AM, said...
We took your question about the speed of light to John D Barrow and here is his answer:
"No, there can never be a proof that the speed of light is constant. Relativity theory requires the speed of light in vacuum to be constant and the same for all observers. All we can do is test whether that is true and hence whether the theory of relativity is a corrrect description of nature. There may be tiny quantum mechanical corrections to the theory which produce very small changes in extreme environments (very small distance, high frequencies or strong gavitational fields)."
We hope this answers the question!
- At 12:03 PM, Martijn said...
This leads to another question: what do you mean by 'life'? What makes life special? How can it be that there might be a world where rocks etc. can exist but 'life' (whatever definition you choose for that word) can't?
- At 1:55 AM, dheeraj said...