Wikipedia:POTD column/November 27, 2006

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An infrared (IR) photograph of a tree. Not to be confused with thermal imaging, IR photography is accomplished with an infrared filter, which lets infrared light pass through to the camera but blocks all or virtually all of the visible light spectrum (and thus looks black). The effect is mainly caused by foliage (like tree leaves and grass) strongly reflecting in the same way light is reflected from snow.

Photo credit: Daniel Schwen
Archive - More featured pictures...

Retrieved from "http://en.wikipedia.org../../../p/o/t/Wikipedia%7EPOTD_column_November_27%2C_2006_c872.html"

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• This page was last modified 16:09, 27 October 2006 by Wikipedia user Howcheng.
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