Are you sure? I mean, have you saved all of the light that passed through, and weighed it to see if it really is 50% of you started out with? Dan C. ;-) At 10:35 AM 17-08-02 -0400, PhotoRoy6@aol.com wrote: >I watched the filter for 8 hours today and can report back to the group the >answer to to studnet question. The Filter continues to pass half of the >light under the sun goes down. At that point all of the light has passed tru >the filter as the sun is gone and the studnet can go out to the local bar to >do his studnet thing. > >
