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Old December 25th 17, 07:19 AM posted to,uk.d-i-y
The Natural Philosopher[_2_]
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On 24/12/17 20:59, newshound wrote:
On 24/12/2017 20:43, Bill Wright wrote:
What are the parameters that set the speed of electromagnetic
transmission in a vacuum? I've googled everywhere but I can't find the
answer. It's easy enough to find the figure but WHY? Why not
29,979,245.8 metres per second or 2,997,924,580 metres per second?


Start here

then look up permittivity and permeability of free space

But that doesnt do more than transform the question into 'why is that
the value of the permittivity and permeability of free space'?

The theory of Communism may be summed up in one sentence: Abolish all
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