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Gail Shaw wrote:
> "Invisible" <voi### [at] dev null> wrote in message
> news:47342cbb$1@news.povray.org...
>> For light, the velocity varies a little, but it's roughly 300,000 km/s.
>
> Ur, no. The speed of light in a vacuum doesn't vary at all. It's a universal
> constant.
>
> 299 792 458 m.s^-1
Yes, the speed of light *in a vacuum* doesn't vary.
The speed of light in other mediums varies though. ;-)
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