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Many of us have heard of and/or use UV Beads<http://www.stevespanglerscience.com/product/color-changing-uv-beads> or UV Sensitive Paper<http://www.stevespanglerscience.com/product/sun-sensitive-paper> and the like. What I'm looking for is some sort of common household item (or combination of items) that can do the same - change or otherwise "detect" UV.   Perhaps there's some sort of recipe for such a thing that I'm unaware of (lemon juice and ...?), or some sort of very common plant that reacts to UV relatively quickly (and doesn't react when UV is blocked, or reacts more slowly to less intense UV).

If you know of something that fits the bill, I'd love to hear from you!!

Thanks for your time,

Dan

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Dan Zevin
Public Education Specialist
Space Sciences Laboratory
7 Gauss Way, MC 7450
University of California, Berkeley
Berkeley, CA 94720-7450

(510) 642-8326
(510) 643-5660 [fax]
[log in to unmask]<mailto:[log in to unmask]>
http://cse.ssl.berkeley.edu<http://cse.ssl.berkeley.edu/>
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AST:7731^29u18e3


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