Re: AR taught me to sail


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Posted by Peter Ceresole on December 05, 2013 at 21:43:18 user PeterC.

In Reply to: Re: AR taught me to sail posted by Tom Napier on December 05, 2013 at 05:52:08:

Alas, the speed of light is exactly 299,792,458 m/s.

But as I walk down the road looking around, 300,000 km/sec seems quite sufficiently accurate.

My dad was always insistent that I should know that things like light weren't magic, that they had an existence that you could measure, like anything else. He was okay, my dad.


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