Very interesting, thanks. 

I'm somewhat intrigued by the photo of people releasing 400,000
plastic balls into a reservoir (ergo man-made) to prevent the sunlight
from triggering a carcinogenic chemical reaction with the chlorine and
bromide in the water. I'm not a chemist or a water-scientist in any
way, but this sounds like kludge upon kludge to me, with the plastic
likely to lead to further environmental problems somewhere down the
line. Surely the solution (no pun intended) is to remove, or not to
add, chlorine or bromide to the reservoir?

Bob 

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On 
> Behalf Of Tim Bray
> Sent: 17 June 2008 19:44
> To: Pentax-Discuss Mail List
> Subject: The Big Picture
> 
> >From Boston.com, a very nice picture-bloggy-sorta-thing:
> http://www.boston.com/bigpicture/
> 


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