Re: Transit of the sun. RE: SAFE SOLAR VIEWING

From: Tom Wagner (sciteach@mchsi.com)
Date: Mon Apr 22 2002 - 18:36:43 EDT

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    I recently did some Internet research regarding safety and transmittance of
    various materials that people use to view the sun with. I am sharing the
    URLs with you here.
    
    This is the best article I found.
    "Solar Filters Time for an International Standard" by
    Courtesy of B. Ralph Chou, MSc, OD
    http://www.mreclipse.com/Special/filters.html#table1
    
    I strongly recommend reading the part of the article above called "Retinal
    Burns" It gives nonarbitrary figures that have true meaning in the debate of
    "what is safe."
    
    Finally, at  http://www.jlab.org/ehs/manual/EHSbook-458.html#11507 "Laser
    Bioeffects & Non-Beam Hazards" is some very informative information relating
    to eye damage as caused by light sources.
    
    Safe viewing!
    
    Tom
    Iowa
    USA
    
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