a question about light

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Re: a question about light

Postby Aardvark » Wed Dec 30, 2015 1:43 pm

You would not see a torch at that distance, the photons would be too dispersed. I found this though which makes interesting reading:-

http://www.technologyreview.com/view/53 ... dle-flame/

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Re: a question about light

Postby MaciejMar » Fri Jan 01, 2016 10:03 pm

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Re: a question about light

Postby MaciejMar » Fri Jan 01, 2016 10:04 pm

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Re: a question about light

Postby MaciejMar » Fri Jan 01, 2016 10:05 pm

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Re: a question about light

Postby MaciejMar » Fri Jan 01, 2016 10:06 pm

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