[RFI] CFLs and UV

Bruce/Edith Goldstein wa3afs at inav.net
Tue Feb 24 12:49:48 EST 2009

The dangerous UV rays (short wave UV) do not pass through glass.  Long wave UV is not harmful.

Check out some of the advertisements for short wave UV lights used by rockhounds.  The ads will talk 
about the special materials used in the flilters since glass will not work.

That is why the darkening eyeglass lenses do not work inside a car.

    Bruce, WA3AFS

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