On 1/11/2013 9:02 AM, John Clark wrote:
On Fri, Jan 11, 2013 at Roger Clough <[email protected] <mailto:[email protected]>>
wrote:
> So either there's no ether, or light has a fixed velocity.
No, light has a fixed velocity with or without the aether, it's a experimental result
not a theory.
It's not even that anymore, it's a convention. Since we use clocks to measure distances
the speed-of-light is just a conversion factor now between length and time units:
299,792,458m/s notice that there is no experimental uncertainty.
Brent
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