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nafex - Re: [NAFEX] Stress Detection Glasses

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  • From: Bryce Nesbitt <bryce1@obviously.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] Stress Detection Glasses
  • Date: Wed, 05 Dec 2007 00:02:14 -0800

From: http://www.sti.nasa.gov/tto/spinoff1996/50.html

The Hawkeye lenses serve as a "passive chlorophyll detector." When one
looks at a green leaf through a Hawkeye lens, the stressed part of the
leaf is visually enhanced and it stands out from the healthy part of the
plant by appearing pink or brownish red...

The glasses sell for less than $100 and can be made into prescription
glasses.

Karen Tillou wrote:
> i'm interested, but i have no idea what these are. it sounds like
> something you'd buy from the back page of an old comic book. to see
> through people's underwear or something.
> how do they work? how much?
> karen
>
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