tag:blogger.com,1999:blog-2807403883562053852.post5583773414291565534..comments2024-03-27T08:40:31.785-06:00Comments on Clayton Cramer.: I Learn Something New Every DayClayton Cramerhttp://www.blogger.com/profile/03258083387204776812noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2807403883562053852.post-14387396023261334252016-09-09T12:27:32.618-06:002016-09-09T12:27:32.618-06:00I think that automotive glass already blocks most ...I think that automotive glass already blocks most UV; this is why photo-gray glasses do not work well in vehicles. I suspect that the observations are due to the fact that many people drive with their window down. In my case, their is a pronounced difference in character between my left and right arms.Allen Cogbillhttps://www.blogger.com/profile/17859147855610271882noreply@blogger.com