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From: Howard Hinnant (hinnant_at_[hidden])
Date: 2000-07-08 17:29:59


Paul A. Bristow wrote on 7/7/2000 4:36 PM
>(Physical constants, big G, speed of light etc are in a
>quite different category I believe. They are much less accurate,
>never exact, but most useful of course.)

Just a bit of trivia that only interests geeks like me: :-)

The speed of light (in a vacuum) is now "exact". In 1983 the meter was
redefined in terms of the speed of light: c = 2.99792458e+08 m/s (by
definition).

See pages such as: http://lamar.colostate.edu/~hillger/dates.htm for more
fun.

-Howard


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