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To: driftdiver

Yes. And the “speed of light” is defined as “the speed of light in a vacuum”.

And now this paper is saying that there are different kinds of vacuum.


26 posted on 04/29/2013 9:32:53 PM PDT by CharlesWayneCT
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To: CharlesWayneCT

I like the vacuums that are empty. What other kinds are there?


56 posted on 05/01/2013 4:59:53 PM PDT by Vermont Lt (Does anybody really know what time it is? Does anybody really care?)
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