There are certain barriers to effective communication that every organization faces. These potential interruptions of the flow of information are referred to as noise. Communicative problems (i.e., noise) can be categorized into three groups: technical, semantic, or efficacy-related.
Polarized vs Non-Polarized Aviator Sunglasses. For most people wearing polarized sunglasses it simply helps reduce glare off windows, ice or water; however, for pilots using polarized sunglasses there can be a number of serious problems.
Things we like. Gradient lenses are sunglasses that have lenses tinted from the top down, so that the top of the lens is darkest. They are not a style exactly, so much as a look that has become increasingly popular for both men and women in the past few years. There are a variety of different reasons why tinted lenses are practical: