http://www.lib.ox.ac.uk/internet/news/faq/archive/birds-faq.optics.html
--
Mike Patterson
Expounder of Scientific Wisdom
Astoria High School, Astoria OR
http://columbia-pacific.interrain.org/ahscience/

In the beginner's mind
there are many possibilities;
in the expert's mind
there are few.
--- Shunryu Suzuki