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RustyBug
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Re: silly inverse square law question.


So ... going back to my earlier question ... How does ISL apply / not apply to a lit cigarette that can be seen from miles away on the ocean at night, yet it provides virtually no illumination to surrounding objects only a few feet away?




Dec 10, 2012 at 07:40 PM



  Previous versions of RustyBug's message #11180267 « silly inverse square law question. »