Wirt Atmar writes:

>Ted Asks:
>>  >
>>  > . . . and the speed of light is just not what it used to be.
>>
>>  What did it used to be?
>
>Just a mere one hundred and fifty years, it used to be immeasurably fast. Now
>it's too slow to easily tolerate.

Continuing my campaign to rid the net of nits, I'll point out that the
speed of light was first measured about 325 years ago, when Danish
astronomer Claus Roemer used the difference between the predicted and
observed transit times of Jupiter's moons to compute the time required
for light to cross from Jupiter to Earth.

-- Bruce


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