Richard Clark wrote:
On Sun, 10 Feb 2008 20:58:41 -0500, "AI4QJ" wrote:

Looks like semamntics to me. Whenever you see "c" in the special or general
theories,

Hi Dan,

It is not semantics, it is circumstance, and clearly the phenomenon of
v exceeding c follows circumstance - it is regarded so by many
competent authorities and circumstance is the cornerstone of
"relativity" through the metaphor of gedanken experiment.

it means exactly 299,792,458 meters/sec.

Now, THIS is semantics.

You should not use the
designator "c" to express the speed of light in other media such as water.
It will always be a smaller number. The designator "c", meaning "constant",

Actually, the historical basis of c comes from the latin celeritous
(or some such spelling) explicitly meaning fast or speedy.

73's
Richard Clark, KB7QHC

From _Latin For Today_ by Mason D. Gray, and Thornton Jenkins (1927),
Celeritas; speed, swiftness.

(In the flyleaf is written in a female hand:

Latin is a dead language.
It's as dead as it can be.
It killed off all the Romans.
Now it's killing me.
-Shakespeare-

)
73,
Tom Donaly, KA6RUH