Re: wristwatch

[Cor Breukel <cor@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

On Sun, 29 Mar 1998, Willem-Jan Markerink wrote:

> On 28 Mar 98 at 12:33, E Bauer wrote:
> 
> > Jaap Los wrote:
> > 
> > > Could a wristwatch fog HIE?
> > 
> > No.
> 
> Unless the light would be activated....:-))
> 
 ..in my job I work with Xray film, and the fluorescence/phosporesence of
 a watch (forgot which one) is capable of exposing a Xray sheet, used it
 sometime to note the time..:-)...(the image is far from sharp though). 
 Incase you get worried: no my watch is not radioactive, as the stuff (I
 thought it was uranium)they used in the past to let those watches
 "glow".. 


Cor Breukel

http://ruly70.medfac.leidenuniv.nl/~cor/cor.html
"The Infrared Gallery"
http://ruly70.medfac.leidenuniv.nl/~cor/ir-gallery.html


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