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Most copier paper has UV brighteners in it, which visibly fluoresces when
the UV to visible ratio is high.

The chlorophyll in olive oil fluoresces

Most people's teeth.  You can spot false teeth in black light rooms.
----
Earl Stirling

Building SCIENCE!

e x p l  O  r a t o r i u m
3601 Lyon St
San Francisco CA 94123
+1.415.353.0401



On Thu, Aug 25, 2011 at 5:45 PM, Dan Zevin <[log in to unmask]> wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> 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
>
> ****
> 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/>
> ****
>
> AST:7731^29u18e3
>
>
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